Day 9 Equations and Inequalities Review

Day 9 Equations and Inequalities Review

9th Grade

22 Qs

quiz-placeholder

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Day 9 Equations and Inequalities Review

Day 9 Equations and Inequalities Review

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Jeewant Kaushal

Used 4+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Answer explanation

To solve the equation 3x - 4 = 11, first add 4 to both sides to get 3x = 15. Then divide by 3 to find x = 5. Therefore, the correct answer is x = 5.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Answer explanation

To simplify the expression, distribute 6 to both terms inside the parentheses: 6*3x + 6*5 = 18x + 30. Then divide by 2 to get 9x + 15.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Answer explanation

To solve the equation, first distribute the 3/4 to get 3/4x - 3/2 = 15. Then, add 3/2 to both sides to isolate x, giving x = 22. Therefore, the correct answer is x = 22.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Answer explanation

To solve the inequality 11z - 43 < -32, add 43 to both sides to get 11z < 11. Then, divide by 11 to find z < 1. Therefore, the correct answer is z < 1.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Answer explanation

To solve for W, isolate it in the equation. Start by subtracting 2L from both sides to get P-2L=2W. Then divide by 2 to get W=(P-2L)/2.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

m = -2

m = -10

m = 5

m = 0

Answer explanation

To solve the equation, combine like terms: 5m + 3m = -20 + 4. This simplifies to 8m = -16. Dividing by 8 gives m = -2, which is the correct answer.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Answer explanation

To solve the inequality, first multiply both sides by 3 to get 2(y-3) < -54. Then distribute to get 2y - 6 < -54. Add 6 to both sides to get 2y < -48. Finally, divide by 2 to get y < -24, which is the correct choice.

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