Practice Test Answers

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1
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If f of x is equal to x plus 1 and g of x is equal to 2 x minus 7 , which expression is equivalent to open bracket f circ g close bracket times 3 ?

A
2 times 3 squared minus 6
B
2 times open paren 3 plus 1 close paren minus 7
C
open paren 3 plus 1 close paren times open paren 2 times 3 minus 7 close paren
D
open paren 2 times 3 minus 7 close paren plus 1
2
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What is the quotient of open paren 2 x to the 4th power minus 3 x cubed minus 3 x squared plus 7 x minus 3 close paren divided by open paren x squared minus 2 x plus 1 close paren ?

A
2 x squared plus x minus 3 minus the fraction with numerator 6 and denominator x squared minus 2 x plus 1
B
2 x squared plus x minus 3
C
2 x to the 4th power minus 3 x cubed minus 11 halves
D
2 x squared minus x
3

Which expression is equivalent to 9 x minus open paren x minus 8 close paren times open paren x plus 1 close paren plus 10 x ?

A
8 x squared plus 10 x plus 8
B
negative x squared plus 26 x plus 8
C
negative x squared plus 19 x plus 8
D
8 x squared plus 26 x plus 8
4

What is the cube root of negative 729 A to the 9th power b to the 6th power ?

A
negative 8 A cubed b squared
B
negative 8 A squared b cubed
C
negative 9 A squared b cubed
D
negative 9 A cubed b squared
5

Which polynomial is in standard form?

A
15 x minus 6 x squared plus 3
B
negative 7 x to the 7th power plus 9 x to the 9th power minus 11 x
C
2 x minus 8 x to the 4th power plus 16 x to the 5th power
D
negative 16 x squared minus 9 x plus 12
7

Which expression is equivalent to 4 minus open paren 2 m minus 3 close paren ?

A
negative 8 m plus 3
B
negative 8 m plus 12
C
4 minus 2 m plus 3
D
4 minus 2 m minus 3
9

What is the completely factored form of 6 x squared minus 13 x minus 5 ?

A
open paren 2 x minus 1 close paren times open paren 3 x minus 5 close paren
B
open paren 2 x plus 5 close paren times open paren 3 x minus 1 close paren
C
open paren 2 x minus 5 close paren times open paren 3 x plus 1 close paren
D
open paren 2 x plus 1 close paren times open paren 3 x plus 5 close paren
11

What is the completely factored form of 12 x y minus 9 x minus 8 y plus 6 ?

A
negative 6 x open paren 4 y minus 3 close paren open paren 4 y minus 3 close paren
B
open paren 3 x minus 2 close paren times open paren 4 y minus 3 close paren
C
3 x open paren 4 y minus 3 close paren minus 2 times open paren 4 y plus 3 close paren
D
open paren 3 x minus 2 close paren times open paren 4 y minus 3 close paren times open paren 4 y minus 3 close paren
12

Which expression is a difference of cubes?

A
x to the 6th power minus 6
B
x to the 6th power minus 8
C
x to the 8th power minus 8
D
x to the 8th power minus 6

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