Solving Equations and Inequalities
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a solution to the systems of inequalities?
(0, 3)
(-3, 2)
(1,4)
(-1, 0)
Tags
CCSS.HSA.REI.D.12
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kate is selling bracelets and earrings on Etsy to make money for summer vacation. The bracelets (x) cost $2 and earrings (y) cost $3. She needs to make at least $100, but can only make up to 40 pieces of jewelry. Which inequalities represent this situation?
2x + 3y > 100
x + y ≤ 40
100x + 2y > 3
x + y ≤ 40
100x + 40y > 100
3x + 2y ≤ 40
3x + 2y > 100
x + y ≤ 40
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nancy went to the grocery story. On Monday she purchased 4 apples and 6 bananas for a total of $13. On Wednesday she purchased 3 apples and 7 bananas for a total of $13.50. Which system of equations represents the situation?
4A + 6B = 3
$13.50A - $13B = 6
A + B = 4
A - B = 6
4A + 6B = $13
3A + 7B = $13.50
4A - 6B = $13
3A - 7B = $13.50
Tags
CCSS.8.EE.C.8C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the best method to solve this system of equations?
5x - 4y = 11
5x + 4y = -14
Graphing
Substitution
Elimination
Connection
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where did the error occur in this problem?
There is no error, the solution is (59,13)
The wrong equation was used to solve for x.
When solving for y, 14 should have been subtracted instead of added.
When solving for x, 13 should have been divided instead of multiplied.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a solution to the systems of inequalities?
(0, 0)
(-3, 0)
(2, -5)
(3, -1)
Tags
CCSS.HSA.REI.D.12
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Using the substitution method, what goes in the parentheses to solve this system?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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