Question

& When the quadratic equation (2x + 5) (x - 1) = -6 is written in standard form,
what are the values of a, b, and c?
A. a= -2, b=3, c = 1
C. a= 2,b= -3,c= 1
B. a = 2, = 3, c = 1
D. a = -2,b= -3,c= 1
9. The dimensions of a rectangle with an area of 56 meters are (3x - 1) meters by
(x +4) meters. Which of the following quadratic equation in standard form
represents the situation? (3x-1)(x+4)
A. 3x2 + 11x - 60 = 0
C. 3x2 + 11x - 52 = 0
B. 3x2 + 11x + 60 = 0
D. 3x2 + 11x + 52 = 0
10. When 7 - 5x = 3x2 was written in standard form, Ana and Elsa got the following
answers: Ana: 3x2 + 5x - 7 = 0 Elsa: –3x2 - 5x + 7 = 0. Who do you think got
the correct answer?
A. Ana
B. Elsa
C. Both
D. None​

Answer 1

Answer:

8. C. a= 2, b=3, c = 1

9. A. 3x2 + 11x - 60 = 0

10.A. Ana

Step-by-step explanation:

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