The product of 9 and a to the power of 2
Answer: -3/2
Step-by-step explanation:
The axis of symmetry, and thus the x-coordinate of the vertex, is given by 
So, the answer is 
A square has four 90° angles. So:
15x-30=90 add 30 to both sides
15x=120 divide both sides by 15
x=8°
a) she put the numbers in the wrong place, V2 ≠2
b) V32= 4V2