Systems of Equations and Graphs Quiz

What is the solution to the system of equations

6x = 10y - 10

x + y + 7 = 0?

• (6, -1)

• (-5, -2)

• (1, 8)

• (-5, -2)

Using substitution, what is the solution to the system of equations 9x - y = 17 and 5x + 4y = -27?

• (6, -1)

• (1, -8)

• (-4, -7)

• (10, 3)

Using substitution, what is the solution to the system of equations 2x - 4y = 8 and 7x - 3y = 61?

• (6, -1)

• (1, 8)

• (10, 3)

• (-4, -7)

Using elimination, what is the solution to the system of equations 8x + y = -39 and 2x - 5y = 27?

• (6, -1)

• (1, 8)

• (-4, -7)

• (10, 3)

Using elimination, what is the solution to the system of equations 12y = 17 - 9x and 4y - 3x = 31?

• No Solution

• (1, 8)

• (-4, -7)

• (10, 3)

Using elimination, what is the solution to the system of equations 11y + 1 = -6x and 0 = 43 - 7x - 4y?

• (6, -1)

• (9, -5)

• (10, 3)

• (-4, -7)

What is the y-intercept of the equation y = -2/3x + 3?

• 3

• -2

• 0

• -3

Casey bought a 15.4 pound turkey and an 11.6 pound ham for Thanksgiving and paid $38.51. Her friend Jane bought a 10.2 pound turkey and a 7.3 pound ham for $24.84. What is the cost per pound of ham?

• $1.74

• $1.50

• $1.90

• $2.10

Michelle invested $12,000 in stocks and bonds, paying 4.8% and 7% annual interest, respectively. If the total interest earned for the year was $763, How much did Michelle invest in stocks?

• $3,500

• $4,000

• $5,000

• $6,000

Solve the system of equations: x - 7y + 3z = 17, 5x + 2y - 2z = -57, 3x - 10y - z = -11. What is the value of z?

• 4

• 2

• 6

• 8