Identify the relationship between the diameter and circumference of a circle.

Identify the graph with a \( x \)-intercept of 3 and a \( y \) - intercept of -1

Write the equation of the circle centered at \( (-9,9) \) with diameter 14.

Explain why parallel lines in a coordinate plane have equal slopes.

Exercice 5: On considère la figure suivante tel que : \( O D B \) et \( O A C \) deux triangles rectangles en \( D \) et \( A \) successivement. \( \begin{array}{l}D B=5 ; O D=a ; O A=2 \text { et } A C=3 \\ \quad>\text { Calculer la valeur de } a ?\end{array} \)

Find the slope of the line that passes through: \[ (6,7) \text { and }(4,2) \]