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Solving Systems and Linear Equations and Inequalities

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Solving Systems and Linear Equations and Inequalities
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When graphing an inequality, you use a dotted line when you use which symbol?

<, >

≤, ≥

Tags

CCSS.HSA.REI.D.12

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following situations would result in no solution to a system of linear equations?

Identical Lines

Parallel Lines

Perpendicular Lines

Intersecting Lines

Tags

CCSS.8.EE.C.8A

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following situations would result in infinitely many solutions to a system of linear equations?

Identical Lines

Parallel Lines

Perpendicular Lines

Intersecting Lines

Tags

CCSS.8.EE.C.8A

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

For the system of inequalities below, which ordered pairs are solutions? Select all that apply.

(-2, 0)

(0, -3)

(1, -5)

(5, 5)

(-5, 5)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Select the best option below for solving this system of equations using elimination.

Multiply the first equation by -1.

Multiply the first equation by -2.

Solve the second equation for y, then substitute that expression in for y in the other equation.

No changes are necessary - this system is perfectly setup for elimination.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You decide to solve the below system of equations using elimination and first want to eliminate the x variable. Which option below would be the best first step? -4x+9y=-17 3x-4y=10

Multiply the first equation by 4 and the second equation by 9.

Multiply the first equation by -3 and the second equation by 4.

Multiply the first equation by 3 and the second equation by -4.

Multiply the first equation by 3 and the second equation by 4.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(4, 9)

(9, 4)

Infinitely Many Solutions

No Solution

Tags

CCSS.8.EE.C.8B

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