the zeros of a parabola are -5 and -3. the point (0, 60) is on the graph as represented by the equation…
the zeros of a parabola are -5 and -3. the point (0, 60) is on the graph as represented by the equation. 60=a(0 + 5)(0 + 3) what is the value of a? -7.5 -4 4 7.5
Answer
Explanation:
Step1: Simplify the right - hand side
First, simplify $(0 + 5)(0+3)$. $(0 + 5)(0 + 3)=5\times3 = 15$. So the equation becomes $60=a\times15$.
Step2: Solve for $a$
Divide both sides of the equation $60 = 15a$ by 15. $a=\frac{60}{15}=4$.
Answer:
4