Linear System

How many solutions does the following system have?

5x - 2y = 8

5x - 2y = 8

• None

• One

• Infinitely many

• Four

The given system represents

• no solution

• one solution

• infinite solutions

What is the solution to this system?

• (-2, -2)
• (2, -2)
• (-2,2)
• (2, 2)

Solve using the elimination:

9x-4y=7

x-4y=-17

• (-1,5)

• (-7,5)

• (7,5)

• (3,5)

Solve the following system by graphing.  What is the solution?

• (-4, 2)
• (4, 2)
• (2, -4)
• (2, 4)

Find the solution to the linear system below using the substitution method:

y = 2x - 4

7x - 2y = 5

• (-1, -6)

• (-1, -8)

• (-2, 6)

• (1, -8),

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

What is the solution to this system of equations?

• (0,-1)
• (-1,0)
• (1,0)
• (0,1)

On the windowsill is a plant that is 15 centimeters tall. It is growing 2 centimeters per week. A second plant, which is 5 centimeters tall, is on the coffee table. It is growing 4 centimeters per week. Eventually the two plants will be the same height. How many weeks will that take?

• 5 weeks

• 25 weeks

• 10 weeks

• 2 weeks

Solve the following question