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mahagon
25.03.2020 •
Mathematics
Write a quadratic equation in factored form whos solutions are 7 and -5
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Ответ:
The answer to your question is factor form (x - 7)(x + 5)
expanded form x² - 2x - 35
Step-by-step explanation:
Data
solution 7 and -5
Process
1.- Write the solutions of this equation
x₁ = 7 x₂ = -5
2.- Equal to zero both solutions
x₁ - 7 = 0 x₂ + 5 = 0
3.- Write the factor form of the equation
(x - 7)(x + 5)
4.- Expand
x² + 5x - 7x - 35
-Simplify
x² - 2x - 35
Ответ:
Y= -1x-1
Step-by-step explanation:
The slope is going down in a 1 to 1 ratio, so the slope is -1. The line crosses the x axis at -1, so the y intercept is -1