Question

A
15. Determine the quadratic equation whose roots are
- 3 and 5.
A. x2 + 2x + 15 = 0 C. x2 + 2x – 15 = 0
B. x2 - 2x + 15 = 0 D. x2 - 2x - 15 = 0
16. Determine a quadratic equation whose sum and product of the
roots are -3 and -10​

Answer 1

Answer:

x= -3

x+3= 0. eq.1

x=5

x-5 =0. eq 2

(x+3)(x-5).

x^2+3x-5x-15

x^2-2x-15

Answer 2

Answer:

$x {}^{2} - (\alpha + \beta ) + \alpha \beta$

16 -.

.

$x {}^{2} + 3x - 10$

Answer

15 -.

A

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