Which of the following is equivalent to x² + 4x - 7 = 0
a. (x + 1) (x - 7) = 0
b. (x + 4) (x - 3) = 5
c. (x + 5) (x - 3) = 6
d. (x + 1) (x + 3) = 10
a. (x + 1) (x - 7) = 0
b. (x + 4) (x - 3) = 5
c. (x + 5) (x - 3) = 6
d. (x + 1) (x + 3) = 10
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Answer:
the answer is A
Step-by-step explanation:
Answer:
— A
Step-by-step explanation:
Quadratic Formula x^2-4x-7=0
x2−4x−7 = 0
Use the quadratic formula to find the solutions.
− b√b 2−4 (ac)2 a
Substitute the values a
= 1, b = −4
, and c = −7
into the quadratic formula and solve for x
.4±√(−4)2−4⋅(1⋅−7)2⋅1