The vertex of a quadratic equation is the minimum or maximum point of the equation. Find that, and you have the vertex. <span>To </span>find the x-intercept<span> of a given linear equation, plug in 0 for 'y' and solve for '</span>x'. To find<span> the y-</span>intercept, plug 0 in for 'x<span>' and solve for 'y'.</span>
Answer:
C. -7
Step-by-step explanation:
Answer:
Step-by-step explanation:
6^2+b^2=11^2
121-36=b^2
Square root of 85