Answer and Explanation
Your Answer is
Correct Answer is G
Explanation
Find the x-axis intercept, 0 = -2(x + 1)² + 8,
x+1 = ±2,
x1
x1
sub>=-3, x2 = 110. In the standard (x,y) coordinate plane below, the graph of the equation y = -2(x +1 )2 + 8 intersects the x-axis at points ( -3,0) and (a,0) and has its vertex at point ( -1 , 8 ) . What i s the value of a ?
