👤

For what value of k does the highest point of the parabola v = -x + 8x +k lie on the X-axis?​

Sagot :

Answer:

k=v−7x

Step-by-step explanation:

Let's solve for k.

v=−x+8x+k

Step 1: Flip the equation.

k+7x=v

Step 2: Add -7x to both sides.

k+7x+−7x=v+−7x

k=v−7x

Answer: k=v−7x