ALgII Solving Systems Review

What is the solution?

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

Tags

CCSS.8.EE.C.8B

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8B

• Infinitely Many Solutions
• No Solution

Tags

CCSS.8.EE.C.8A

Solve the system of equations by elimination.

x + 2y = -3

x - y = -12

• (-9, 3)

• (-7 ,5)

• (3, 15)

• (9, 6)

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A

What is a solution of a linear system?

• the slope of the line
• the y-intercept
• the point where the systems intersect
• the rise over tun

Tags

CCSS.8.EE.C.8B

What is a solution of a linear system if the lines are the same?

• One solution
• No solution
• Infinitely Many solutions

Tags

CCSS.8.EE.C.8A

Solve for x and y: by substitution

y = 2x + 1

y - 4x = - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Solve by elimination method

3x + 2y = 16

7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

The equations of two lines are:

2x - y = 4 and y = -2x+8.

What is the value of x in the solution for this system?

SOLVE BY SUBSTITUTION

• x=8

• x=3

• x=11

• x=5