Answer:
<h2>
x = -2</h2>
Step-by-step explanation:
- 13x = 26
divide each side by -13
<u>- 13x</u> = <u>26 </u>
-13 -13
x = -2
Answer:
25
Step-by-step explanation:
45 times 5 = 225
225 divided by 9 = 25
The equation of this parabola will have the form f(x) = a(x+5)(x-4), which works out to f(x) = a(x^2 + x - 20). Since the parabola passes thru (3,40),
40 = a(3^2 + 3 - 20), or 40 = a(-8), so a = -5.
Thus, the equation of this parabola is y = -5(x^2 + x - 20).
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