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Solve by completing the square. Give exact solutions. Simplify radicals and reduce
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# Question : Solve by completing the square. Give exact solutions. Simplify radicals and reduce : 2139488

Solve by completing the square. Give exact solutions. Simplify radicals and reduce.

133) 6x2 + 3x - 3 = 0

A) , -1

B) 2, 0

C) 2, 1

D) 2, -1

134) 5x2 + 9x = 0

A) ±

B) - , 0

C) , 0

D) 0

135) 2x2 + 6x = -2

A)

B)

C)

D)

136) 2x2 = -12x - 3

A)

B)

C)

D)

137) 7x2 + 20x = -14

A)

B)

C)

D)

138) x2 + 6x = 5

A) -3 ± 1√14

B) -1 ± √14

C) -3 ± √14

D) 3 + √14

139) x2 = 9 - 4x

A) -2 ± √13

B) -2 ± 1√13

C) -1 ± √13

D) 2 + √13

Provide an appropriate response.

140) Solve the quadratic equation by completing the square:

x2 + 8x + 12 = 0

A) x = -4, -4

B) x = -2, -6

C) x = 2, 6

D) x = 1.3, -9.3

141) Solve for x by completing the square: x2 + 6x = 30

A) 3.24, -9.24

B) 1.62, 4.62

C) 6.49, 3.49

D) 13, 10

142) Solve for x by completing the square: 2x2 + 4x = 25

A) 5.34, 3.34

B) 10.7, 8.7

C) 21.4, 15.4

D) 2.67, -4.67

## Solution 5 (1 Ratings )

Solved
Mathematics 2 Years Ago 231 Views