The roots of a quadratic equations are -5 and 3. Which of the following quadtratic equation has these roots?
A. x²- 8x + 15 = 0
B. x² + 8x 15 = 0
C. x² - 2x - 15 = 0
D. x² + 2x - 15 = 0
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The roots of a quadratic equations are -5 and 3. Which of the following quadtratic equation has these roots?
A. x²- 8x + 15 = 0
B. x² + 8x 15 = 0
C. x² - 2x - 15 = 0
D. x² + 2x - 15 = 0
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Answer:
D.
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Step-by-step explanation:
(x+5)(x-3)
x²-3x+5x-15
x²+2x-15=0
Answer:
D.
Step-by-step explanation:
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