Systems of Equations and Inequalities Review

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following equations for x and y:
-6x+6y=6
6x-3y=12
6,5
5,6
4,4
2,4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system of equations:
2x+3y=17
y=4x+1
(-1,-3)
(1,5)
(1,3)
(2,4)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using any method:
2x+3y=10
-2x+y=14
(6,-4)
(-4,6)
(4,6)
(6,4)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You have a total of 17 coins. All of your coins are nickels and dimes. The total value of the coins is $1.35. Which system of equations represents this situation?
n+d=17
.05n+.10d=1.35
.05n+.10d=17
n+d=1.35
.25n+.10d=1.35
n+d=17
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The two types of tickets sold at a baseball game are standard tickets and discounted tickets. The price of a discounted ticket was 80% of the price of a standard ticket. There were 153 standard tickets sold at the baseball game. There were 47 discounted tickets sold at the baseball game. The total amount of tickets sales from the standard and discounted tickets was $2,649.34. The line graphed on the grid represents the first equation in a system of linear equations for this situation. If the second equation in the system is y = 0.80x, what is the best estimate of the price of a discounted ticket?
$13.95
$14.55
$13.25
$11.15
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
$13.95
$14.55
$13.25
$11.15
Answer explanation
DESMOS
Find 2 good points on a graph and put them in a table.
Use y1~mx1+b to graph the line in the given graph.
Graph the given equation.
Find where they cross.
Look at the axis, the discounted ticket is on the y-axis
Tags
A.3(G)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lisa gives child(x) and adult(y) haircuts in her salon. She charges $10 for a child and $40 for an adult haircut. Her goal is to make at least $1000 per week and work no more than 40 hours. The shaded region of the graph represents the possible combinations of adult and child haircuts that will allow her to meet her goal. Which combination represents her maximum profit?
10 adult haircuts and 60 child haircuts
20 adult haircuts and 40 child haircuts
no adult haircuts and 80 child haircuts
40 adult haircuts and no child haircuts
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