Pretest

Question 1

Solve for x in the equation x squared plus 2 x plus 1 is equal to 17

Revolt · Accepted Answer

x is equal to negative 1 plus or minus square root of 13

Question 2

Solve for x in the equation x squared plus 20 x plus 100 is equal to 36

Revolt · Accepted Answer

x is equal to negative 16 or x is equal to negative 4

Question 3

Solve for x in the equation x squared plus 4 x minus 4 is equal to 8

Revolt · Accepted Answer

x is equal to negative 6 or x is equal to 2

Question 4

Which value must be added to the expression x squared plus 16 x to make it a perfect-square trinomial?

Revolt · Accepted Answer

64

Question 5

Which value must be added to the expression x squared plus 12 x to make it a perfect-square trinomial?

Revolt · Accepted Answer

36

Question 6

Brian is solving the equation x squared minus 3 fourths x is equal to 5 What value must be added to both sides of the equation to make the left side a perfect-square trinomial?

Revolt · Accepted Answer

9 over 64

Question 7

Amira is solving the equation x squared minus 6 x is equal to 1 Which value must be added to both sides of the equation to make the left side a perfect-square trinomial?

Revolt · Accepted Answer

9

Question 8

Which value must be added to the expression x squared plus x to make it a perfect-square trinomial?

Revolt · Accepted Answer

1 fourth

Question 9

Solve for x in the equation x squared minus 10 x plus 25 is equal to 35

Revolt · Accepted Answer

x is equal to 5 plus or minus 2 square root of 5

Question 10

Solve for x in the equation x squared plus 10 x plus 12 is equal to 36

Revolt · Accepted Answer

x is equal to negative 12 or x is equal to 2

Pretest Answers

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