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1
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Using the quadratic formula to solve x squared is equal to 5 minus x , what are the values of x ?

A
the fraction with numerator negative 1 plus or minus square root of 21 and denominator 2
B
the fraction with numerator 1 plus or minus square root of 19 i and denominator 2
C
the fraction with numerator 5 plus or minus square root of 21 and denominator 2
D
the fraction with numerator negative 1 plus or minus square root of 19 i and denominator 2
2
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Which equation has the solutions x is equal to the fraction with numerator negative 3 plus or minus square root of 3 i and denominator 2 ?

A
2 x squared plus 6 x plus 9 is equal to 0
B
2 x squared plus 6 x plus 3 is equal to 0
C
x squared plus 3 x plus 3 is equal to 0
D
x squared plus 3 x plus 12 is equal to 0
3

Using the quadratic formula to solve x squared plus 20 is equal to 2 x , what are the values of x ?

A
1 plus or minus square root of 21 i
B
negative 1 plus or minus square root of 19 i
C
1 plus or minus 2 square root of 19 i
D
1 plus or minus square root of 19 i
4

Using the quadratic formula to solve 7 x squared minus x is equal to 7 , what are the values of x ?

A
the fraction with numerator 1 plus or minus square root of 197 and denominator 14
B
the fraction with numerator 1 plus or minus square root of 195 i and denominator 14
C
the fraction with numerator 1 plus or minus square root of 195 and denominator 14
D
the fraction with numerator 1 plus or minus square root of 197 i and denominator 14
5

Which equation shows the quadratic formula used correctly to solve 5 x squared plus 3 x minus 4 is equal to 0 for x ?

A
x is equal to the fraction with numerator 3 plus or minus square root of 3 squared plus 4 5 negative 4 end root and denominator 2 times 5
B
x is equal to the fraction with numerator negative 3 plus or minus square root of 3 squared minus 4 5 negative 4 end root and denominator 2 times 5
C
x is equal to the fraction with numerator negative 3 plus or minus square root of 3 squared plus 4 5 negative 4 end root and denominator 2 times 5
D
x is equal to the fraction with numerator 3 plus or minus square root of 3 squared minus 4 5 negative 4 end root and denominator 2 times 5
6

Which equation has the solutions x is equal to the fraction with numerator 5 plus or minus 2 square root of 7 and denominator 3 ?

A
3 x squared minus 5 x plus 7 is equal to 0
B
3 x squared minus 10 x plus 6 is equal to 0
C
3 x squared minus 5 x minus 1 is equal to 0
D
3 x squared minus 10 x minus 1 is equal to 0
7

Which equation shows the quadratic formula used correctly to solve 7 x squared is equal to 9 plus x for x ?

A
x is equal to the fraction with numerator 1 plus or minus square root of negative 1 squared plus 4 7 9 end root and denominator 2 times 7
B
x is equal to the fraction with numerator 1 plus or minus square root of negative 1 squared minus 4 7 9 end root and denominator 2 times 7
C
x is equal to the fraction with numerator negative 1 plus or minus square root of negative 1 squared plus 4 7 9 end root and denominator 2 times 7
D
x is equal to the fraction with numerator negative 1 plus or minus square root of 1 squared minus 4 7 9 end root and denominator 2 times 7
8

Which equation has the solutions x is equal to 1 plus or minus square root of 5 ?

A
x squared minus 2 x minus 4 is equal to 0
B
x squared plus 2 x minus 4 is equal to 0
C
x squared minus 2 x plus 4 is equal to 0
D
x squared plus 2 x plus 4 is equal to 0
9

Which equation can be solved using the expression the fraction with numerator negative 3 plus or minus square root of 3 squared plus 4 10 2 end root and denominator 2 times 10 for x ?

A
10 x squared is equal to 3 x plus 2
B
10 x squared plus 2 is equal to negative 3 x
C
2 is equal to 3 x plus 10 x squared
D
3 x is equal to 10 x squared minus 2
10

Using the quadratic formula to solve 5 x is equal to 6 x squared minus 3 , what are the values of x ?

A
the fraction with numerator 5 plus or minus 3 square root of 11 and denominator 12
B
the fraction with numerator 5 plus or minus square root of 97 and denominator 12
C
the fraction with numerator 5 plus or minus square root of 47 and denominator 12
D
the fraction with numerator negative 5 plus or minus square root of 97 and denominator 12

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