Unit 5 Retest - Algebra

Unit 5 Retest - Algebra

10th Grade

20 Qs

quiz-placeholder

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Unit 5 Retest - Algebra

Unit 5 Retest - Algebra

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B, HSF-IF.C.7A, HSA-SSE.B.3B

+2

Standards-aligned

Created by

Grace Smythe

Used 11+ times

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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

10 mins • 3 pts

Select all equations that are equivalent to (x^2 + 10x = -9).

(x^2 + 10x + 9 = 0)

(x^2 + 10x + 25 = 9)

(x^2 + 10x + 25 = 16)

((x + 5)^2 = 9)

((x + 5)^2 = 16)

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Solve the equation by completing the square: (x^2 - 8x = -5).

(x = 0.68) or (x = 7.3)

(x = 2) or (x = 6)

(x = 3) or (x = 5)

(x = 4) or (x = -4)

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Solve the equation using the quadratic formula: (2x^2 - 3x - 5 = 0).

(x = 5/2) or (x = -1/2)

(x = 3/2) or (x = -5/2)

(x = -1) or (x = 2.5)

(x = 1.5) or (x = -1.67)

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

How many real solutions does the equation x^2 + 5x + 20 have?

0

1

2

3

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Select all the solutions to the equation (x - 4)^2 = -9.

x = 4 - 3i

x = 4 + 3i

x = -1

x = 1

x = 7

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What is the next step Noah should take to solve the equation x^2 + 6x + 9 = -17 using complex numbers?

Factor the left side to (x + 3)^2

Add 17 to both sides to set the equation to zero

Subtract 9 from both sides

Use the quadratic formula

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

After simplifying the equation (x + 3)^2 = -8, what should Noah do next to find the values of x?

Take the square root of both sides

Multiply both sides by -1

Add 8 to both sides

Factorize the equation further

Tags

CCSS.HSA-REI.B.4B

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