
Understanding and solving linear equations in three variables

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Wayground Content
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coach Anthony has a jar full of change. There are 37 nickels, dimes, and quarters. The total of the coins is $3.75. If there are twice as many nickels than dimes, how many of each does he have?
20 dimes, 10 nickels, 7 quarters
10 dimes, 20 nickels, 7 quarters
9 dimes, 18 nickels, 10 quarters
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Carlos called within Canada, to the United States, and to Mexico during the month of December. The charges are 28¢/min within Canada, 30¢/min to the U.S., and 84¢/min to Mexico. Calculate the number of minutes that if his total bill for the month was $90.96, he talked twice as long to Mexico as he did to the U.S., and the total number of minutes spent talking within Canada and to Mexico was 122.
32 minutes within Canada
30 minutes to the U.S.
60 minutes to Mexico
47 minutes within Canada
25 minutes to the U.S.
50 minutes to Mexico
42 minutes within Canada
40 minutes to the U.S.
80 minutes to Mexico
77 minutes within Canada
15 minutes to the U.S.
30 minutes to Mexico
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Joey has a collection of action figures. He separates them into small, medium, and large figures. He has 4 times as many small figures as medium figures. The number of large figures is 6 less than 2 times the number of medium figures.
He has a total of 43 action figures. He has 7 medium figures. How many small and large figures does he have?
small = 28
small = 7
large = 8
large = 20
4.
MATH RESPONSE QUESTION
5 mins • 1 pt
A football team scored a total of 80 points in one game. They scored 24 times. The scoring was made up of touchdowns (6 points), PATs (1 point), and field goals (3 points). They had three more touchdowns than field goals. If x represents touchdowns, y represents points after touchdowns (PATs), and z represents field goals, write an equation that represents the total points scored?
Mathematical Equivalence
ON
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amy wants to buy soda AND pizza for her Halloween party. She has $45 to spend. One case of soda costs $4, and one pizza costs $8. Write an equation that could be used to find a valid combination for as many cases of soda, x, and pizzas, y, as she can afford.
8x + 4y = 45
4x - 8y = 45
12xy = 45
4x + 8y = 45
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sofia is making a batch of slime using a recipe that includes glue, water, and a salt solution. She uses 7.5 fl oz of glue. The amount of glue is 12.5 times the amount of salt solution. There are 4.2 less fluid ounces of salt solution than water.
How many fluid ounces of water does Sofia use to make a batch of slime? (rounded to the nearest tenth)
2.5
3.6
4.8
5.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve.
81
101
110
84
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