Login
Premium
Home Question Bank Math Algebra
Question
upstudy study bank question image url

Change of subject of formulae

Ask by Ball Clark. in Nigeria
Mar 15,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

To change the subject of a formula, rearrange the equation to isolate the desired variable using algebraic operations like adding, subtracting, multiplying, dividing, or applying inverse functions.

Solution

Sign in to Unlock Answers for Free!

A Learning Platform Trusted by Millions of Real Students and Teachers.

star-icon Unlock

Answered by UpStudy AI and reviewed by a Professional Tutor

The Deep Dive

Changing the subject of a formula is a nifty math skill that allows you to solve for different variables. Imagine you're working with the formula for the area of a rectangle, A = l × w. If you're keen on finding the width (w), you can rearrange the formula to w = A/l. Flip those variables around just like it’s a dance party on paper, and you can unwrap the secret value of the variable you desire! In practice, this technique is super handy! Engineers and scientists frequently rearrange equations to solve for unknowns—this is especially true in physics when you're fiddling with formulas like F = ma (Force = mass × acceleration). By shifting things around, you might find yourself solving for mass (m = F/a) or acceleration (a = F/m)—essential for designing rockets or measuring speeds! Just remember to keep your mathematical operations balanced as you shimmy those variables for the correct answers!

Related Questions

Question 7 (1 point) State the total number of complex roots, the possible number of real and imaginary roots and the possible rational roots for each equation. Then finc all roots \[ x^{6}-x^{4}-x^{2}+1=0 \] a \# of complex roots: 6 Possible \# of real roots: \( 6,4,2 \), or 0 Possible \# of imaginary roots: \( 6,4,2 \), or 0 Possible rational roots: \( \pm 1 \) Roots: \( \{-1, i,-i\} \) b \# of complex roots: 6 Possible \# of real roots: \( 6,4,2 \), or 0 Possible \# of imaginary roots: \( 6,4,2 \), or 0 Possible rational roots: \( \pm 1 \) Roots: \( \{1 \) mult. \( 2,-1 \) mult. \( 2, i,-i\} \) c \# of complex roots: 6 Possible \# of real roots: \( 6,4,2 \), or 0 Possible \# of imaginary roots: \( 6,4,2 \), or 0 Possible rational roots: \( \pm 1 \) Roots: \( \{1 \) mult. 2, -1 mult. 2\} d \# of complex roots: 6 Possible \# of real roots: \( 6,4,2 \), or 0 Possible \# of imaginary roots: \( 6,4,2 \), or 0 Possible rational roots: \( \pm 1 \) Roots: \( \{1,-1,-2,2, i,-i\} \) Review Answers
Algebra United States Mar 17, 2025
Find the least common denominator (LCD). \[ \frac{d}{(5 d-2)(d-7)} ; \frac{6}{(5 d-2)(d+4)} \]
Algebra United States Mar 17, 2025
Question 4 (1 point) State the total number of complex roots, the possible number of real and imaginary roots and the possible rational roots for each equation. Then find all roots. \( \begin{array}{l}x^{3}+3 x^{2}-x-3=0 \\ \text { a of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{-3,1,-1\} \\ \text { \# of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{3,1,-1\} \\ \text { \# of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{-3,-1,-1\} \\ \text { \# of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{3, \text { double root at } 1\}\end{array} \) \( \begin{array}{l}\text { d }\end{array} \)
Algebra United States Mar 17, 2025
Question 6 (1 point) state the total number of complex roots, the possible number of real and imaginary roots and the possible rational roots for each equation. Then find all roots. \[ x^{3}-2 x^{2}-3 x+6=0 \] a \# of complex roots: 6 Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1, \pm 2 \pm 3, \pm 6 \) Roots: \( -1, \pm \sqrt{3} \) b \# of complex roots: 6 Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1, \pm 2 \pm 3, \pm 6 \) Roots: \( 2, \pm \sqrt{3} \) c \# of complex roots: 3 Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1, \pm 2 \pm 3, \pm 6 \) Roots \( 2, \pm \sqrt{3} \) d \# of complex roots: 3 Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1, \pm 2 \pm 3, \pm 6 \) Roots: \( -1, \pm \sqrt{3} \)
Algebra United States Mar 17, 2025
Show instructions Question 1 (1 point) Using technology, find the roots of the polynomial equation: \[ f(x)=2 x^{2}+8.5 x+6.5 \] a \( \quad-\frac{2}{9},-1 \) b \( -\frac{13}{4},-1 \) c \( \frac{9}{8}, 17 \) d \( -\frac{2}{9}, 8 \) Question 2 (1 point) Using the rational roots theorem, list all the possible rational roots of \( f(x)=x^{3}-4 x^{2}+8 x-5 \) a \( \quad-5,-1,1,5 \) b \( \quad-5,-3-1,1,3,5 \) c \( -8,-5,-1,1,5,8 \) d none of the above Question 3 (1 point)
Algebra United States Mar 17, 2025

Latest Algebra Questions

3. Write out Cayley tables for groups formed by the symmetries of a rectangle and for \( \left(\mathbb{Z}_{4 y},+\right) \). How many elements are in each group? Are the groups the same? Why or why not?
Algebra United States Mar 17, 2025
himpunan penyelesaian dari sistem persamaan \( 2 x+2 y=4 \) dan \( 3 x+y=6 \) adalah
Algebra Indonesia Mar 17, 2025
Question 4 (1 point) State the total number of complex roots, the possible number of real and imaginary roots and the possible rational roots for each equation. Then find all roots. \( \begin{array}{l}x^{3}+3 x^{2}-x-3=0 \\ \text { a of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{-3,1,-1\} \\ \text { \# of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{3,1,-1\} \\ \text { \# of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{-3,-1,-1\} \\ \text { \# of complex roots: } 3 \\ \text { Possible \# of real roots: } 3 \text { or } 1 \\ \text { Possible \# of imaginary roots: } 2 \text { or } 0 \\ \text { Possible rational roots: } \pm 1, \pm 3 \\ \text { Roots: }\{3, \text { double root at } 1\}\end{array} \) \( \begin{array}{l}\text { d }\end{array} \)
Algebra United States Mar 17, 2025
Summarize all pertinent information obtained by applying the graphing strategy and sketch the graph of \( y=f(x) \). \[ f(x)=\frac{x^{2}+13 x+36}{x^{2}+8 x+16} \] tina the aomain or \( \mathrm{r}(\mathrm{X}) \). seiect the correct cnoice deiow ana, it necessary, till in the answer dox to complete your cnoice. A. The domain is all real \( x \), except \( x= \) \( \square \) (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) B. The domain is all real \( x \). Find the \( x \)-intercepts of \( f(x) \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The \( x \)-intercept(s) is/are at \( x= \) \( \square \) . (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) B. There are no \( x \)-intercepts. Find the \( y \)-intercepts of \( f(x) \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
Algebra United States Mar 17, 2025
State the total number of complex roots, the possible number of real and imaginary roots and the possible rational roots for each equation. Then find all roots. \[ x^{3}-1=0 \] a \# of complex roots: 3 Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1 \) \[ \text { Roots: } \pm 1, \frac{-1+i \sqrt{3}}{2} \] b \[ 1, \frac{-1+i \sqrt{3}}{2}, \frac{-1-i \sqrt{3}}{2} \text { \# of complex roots: } 3 \] Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1 \) Roots: c \# of complex roots: 3 Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1 \) \[ \text { Roots: }-1, \frac{-1+i \sqrt{2}}{5}, \frac{-1-i \sqrt{2}}{5} \] d \# of complex roots: 3 Possible \# of real roots: 3 or 1 Possible \# of imaginary roots: 2 or 0 Possible rational roots: \( \pm 1 \) Roots: \[ -1, \frac{i \sqrt{3}}{2}, \frac{-i \sqrt{3}}{2} \]
Algebra United States Mar 17, 2025
Prev Next
Try Premium now!
Try Premium and ask Thoth AI unlimited math questions now!
Maybe later Go Premium
Study can be a real struggle
Why not UpStudy it?
Select your plan below
Premium

You can enjoy

Start now
  • Step-by-step explanations
  • 24/7 expert live tutors
  • Unlimited number of questions
  • No interruptions
  • Full access to Answer and Solution
  • Full Access to PDF Chat, UpStudy Chat, Browsing Chat
Basic

Totally free but limited

  • Limited Solution
Welcome to UpStudy!
Please sign in to continue the Thoth AI Chat journey
Continue with Email
Or continue with
By clicking “Sign in”, you agree to our Terms of Use & Privacy Policy