Applications Solving Systems of Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many solutions does this system have?
y = -5x -1
y = -5x +7
No solutions
One solution
Two solutions
Infinite solutions
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What could be the first step in solving the system? CHOOSE TWO!
-10x + 3y = 5
x = y - 4
Substitute y - 4 into the first equation for y
Substitute y - 4 into the first equation for x
Rewrite the second equation in standard form then multiply it by -3 to eliminate y
Rewrite the second equation in standard form then multiply it by 3 to eliminate y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is (5, 2) a solution to the system?
-x + 4y = 4
-x + 3y = 1
No, it satisfies the first but not the second
No, it satisfies the second but not the first
No, it satisfies neither equation
Yes, it satisfies both equations
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many solutions does
this system have?
5y = 15x - 40
y = 3x - 8
No solutions
One solution
Two solutions
Infinite solutions
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is not a solution to this system of inequalities?
(0,-1)
(0,3)
(4,0)
(6,-2)
Tags
CCSS.HSA.REI.D.12
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of using systems of equations in real-world problems?
To find the slope of a line
To graph equations in a digital environment
To solve problems with multiple variables and constraints
To find the y-intercept
Tags
CCSS.8.EE.C.8C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a real-world example of a system of equations?
Finding the area of a rectangle
Determining the cost of two items with different prices
Solving for one unknown variable
Calculating the exact speed of a car
Tags
CCSS.8.EE.C.8C
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