To solve for x
bx=-7
divide b on both sides
x=-7/b
to solve for b
bx=-7
divide x on both sides
b=-7/x
False, it's always on the vertex of the parabola.
Answer:the acute angle is the small angle which is less than 90°. I
Step-by-step explanation:
-5a-4a+b<span>Simplifying
-5a + -4a + b
Combine like terms: -5a + -4a = -9a
-9a + b</span>