Practice Test

Question 1

Which point shows the location of 5 minus 2 i on the complex plane?

Revolt · Accepted Answer

D: point  cap c

Question 2

Dimitri is solving the equation x squared minus 10 x is equal to 21 Which value must be added to both sides of the equation to make the left side a perfect-square trinomial?

Revolt · Accepted Answer

C: 25

Question 3

Which equation is y is equal to negative 6 x squared plus 3 x plus 2 rewritten in vertex form?

Revolt · Accepted Answer

B: y is equal to negative 6 times open paren x minus 1 fourth close paren squared plus 19 eighths

Question 4

Using the quadratic formula to solve 11 x squared minus 4 x is equal to 1 , what are the values of x ?

Revolt · Accepted Answer

C: 2 over 11 plus or minus the fraction with numerator square root of 15 and denominator 11

Question 5

Which equation is y is equal to 3 times open paren x minus 2 close paren squared minus open paren x minus 5 close paren squared rewritten in vertex form?

Revolt · Accepted Answer

A: y is equal to 2 times open paren x minus 1 half close paren squared minus 27 halves

Question 6

Which equation is an example of the commutative property of multiplication?

Revolt · Accepted Answer

B: open paren 4 plus 2 i close paren times open paren 3 minus 5 i close paren is equal to open paren 3 minus 5 i close paren times open paren 4 plus 2 i close paren

Question 7

Which expression is equivalent to open paren 4 plus 6 i close paren squared ?

Revolt · Accepted Answer

D: negative 20 plus 48 i

Question 8

What is the greatest possible integer value of x for which square root of x minus 5 end root is an imaginary number?

Revolt · Accepted Answer

A: 4

Question 9

What are the values of x in the equation x squared minus 6 x plus 9 is equal to 25 ?

Revolt · Accepted Answer

D: x is equal to negative 2  or  x is equal to 8

Question 10

Which equation is the inverse of y is equal to 7 x squared minus 10 ?

Revolt · Accepted Answer

D: y is equal to plus or minus square root of the fraction with numerator x plus 10 and denominator 7 end root

Practice Test Answers

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