A cashier has 25 coins consisting of nickels, dimes, and quarters with a value of $4.90. If the number of dimes is 1 less than twice the number of nickels, how many of each type of coin does she have?

nickels is 3 dimes is 5 quarters is 17

nickels is 20 dimes is 3 quarters is 2

nickels is 13 dimes is 10 quarters is 2

nickels is 12 dimes is 10 quarters is 3

Solve Matrix Equations

Quiz

•

Mathematics

•

11th - 12th Grade

•

Practice Problem

•

Hard

•

CCSS

HSA.REI.C.9, 8.EE.C.8C

Standards-aligned

Barbara White

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is A^-1?

Tags

CCSS.HSA.REI.C.9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the matrix equation using inverse equations.

A

B

C

D

Tags

CCSS.HSA.REI.C.9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the matrix equation using inverse equations.

A

B

C

D

Tags

CCSS.HSA.REI.C.9

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system. Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13

(-7, -5)

(-7, -9)

(7, -9)

(-7, 5)

Tags

CCSS.HSA.REI.C.9

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system. Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13

(-7, -5)

(-7, -9)

(7, -9)

(-7, 5)

Tags

CCSS.HSA.REI.C.9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the system using matrices
x + 2y = 2
5x - 6y = - 54

(-6, 4)

(-8, 4)

(8, 4)

(6, 4)

Tags

CCSS.HSA.REI.C.9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the system using matrices
3x - 8x = 32
x + y = 7

(-8, 1)

(8, -1)

(-1,8)

(1, -8)

Tags

CCSS.HSA.REI.C.9

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Solve Matrix Equations

13 questions

What is A^-1?

Solve the matrix equation using inverse equations.

Solve the matrix equation using inverse equations.

Solve the system. Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13

Solve the system. Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13

Solve the system using matrices
x + 2y = 2
5x - 6y = - 54

Solve the system using matrices
3x - 8x = 32
x + y = 7

Solve the system using matrices
x + 7y = - 21
9x + 7y = 35

Solve the system of equations:

Homer sells tickets for admission to your school play and collects a total of $104. Admission prices are $6 for adults and $4 for children. He sold 21 tickets total. How many of each type of ticket were sold?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Solve Matrix Equations

13 questions

What is A-1?

Solve the matrix equation using inverse equations.

Solve the matrix equation using inverse equations.

Solve the system. Write the matrix equation on your own paper.-5x + 5y = -10-7x + 4y = 13

Solve the system. Write the matrix equation on your own paper.-5x + 5y = -10-7x + 4y = 13

Solve the system using matricesx + 2y = 25x - 6y = - 54

Solve the system using matrices3x - 8x = 32x + y = 7

Solve the system using matricesx + 7y = - 219x + 7y = 35

Solve the system of equations:

Homer sells tickets for admission to your school play and collects a total of $104. Admission prices are $6 for adults and $4 for children. He sold 21 tickets total. How many of each type of ticket were sold?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

What is A^-1?

Solve the system. Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13

Solve the system. Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13

Solve the system using matrices
x + 2y = 2
5x - 6y = - 54

Solve the system using matrices
3x - 8x = 32
x + y = 7

Solve the system using matrices
x + 7y = - 21
9x + 7y = 35