Day 9 Equations and Inequalities Review

Quiz
•
Mathematics
•
9th Grade
•
Medium
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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