Use the given conditions to write an equation for the line in point slope form and slope-intercept form. Passing through \( (-4,-1) \) and \( (4,11) \) Type the point-slope form of the equation of the line. (Use integers or simplified fractions for any numbers in the equation.)
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Mind Expander
To find the equation of the line, we first need to calculate the slope (m) using the two given points \( (-4,-1) \) and \( (4,11) \). The slope formula is: \[ m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{11 - (-1)}{4 - (-4)} = \frac{12}{8} = \frac{3}{2} \] Now, using the point-slope form \( y - y_1 = m(x - x_1) \) with one of the points, say \( (-4, -1) \): \[ y - (-1) = \frac{3}{2}(x - (-4)) \] This simplifies to: \[ y + 1 = \frac{3}{2}(x + 4) \] Now, in slope-intercept form \( y = mx + b \), we can distribute and simplify further: \[ y + 1 = \frac{3}{2}x + 6 \] \[ y = \frac{3}{2}x + 5 \] The point-slope form of the equation is \( y + 1 = \frac{3}{2}(x + 4) \) and the slope-intercept form is \( y = \frac{3}{2}x + 5 \).
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