1. solve the quadratic equation.
Mathematics, 20.01.2020 20:31 msbanks317
Will mark brainliest but plz answer all these
1. solve the quadratic equation.
(x - 7)2 = 81
a)
x = 2 or -7
b)
x = -16 or 2
c)
x = 16 or -2
d)
x = ±7
2) solve the quadratic equation by completing the square.
x2 + 4x - 3 = 0
a)
x = 4 ±
7
b)
x = 2 ±
7
c)
x = -4 ±
7
d)
x = -2 ±
7
3) in the quadratic equation x2 - 8x + a = 0; what is the value, a, in order to form a perfect square?
a)
8
b)
16
c)
32
d)
64
4) solve.
x2 − 8x − 12 = 36
a)
x = 4, x = 6
b)
x = 4, x = −12
c)
x = −4, x = 12
d)
x = −4, x = −6
Answers: 1
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Will mark brainliest but plz answer all these
1. solve the quadratic equation.
1. solve the quadratic equation.
Social Studies, 25.06.2019 01:30