(01/12) 6th Period CRM: Solving by Substuition & Graphing

(01/12) 6th Period CRM: Solving Systems by Substuition (EC)

Complete for extra credit on your 1st quiz Friday (01/15)

Multiple Choice

Solve:

y = -1x - 5

4x - 8y = 4

• (-3, -2)

• (5, -7)

• (3, 9)

• (-5, 4)

Multiple Choice

Solve each system of equations.

y = 3x - 11

2x + 3y = 0

• (-2,3)

• (-3,2)

• (3,-2)

• (2,-3)

Multiple Choice

Solve the system by substitution.

5x + 4y= −14

y = −7x − 15

• (-2, -1)

• (1, -2)

• (-2, 1)

• (-1, -2)

Multiple Choice

3x + 2y = 8

-x + y = -11

• (-5,6)

• (6,-11)

• (-6,-5)

• (6,-5)

Multiple Choice

The solution to a system of equations is any ordered pair that makes both equations true. 

• TRUE
• FALSE

Multiple Choice

What is the solution to the system of equations?

y = 3x - 8

y = 4 - x

• (3,1)

• (1,3)

• (-3,1)

• (3,-1)

Multiple Choice

How many solutions will this system have?

• No solution

• One Solution

• I Don't Know

• Infinitely Many Solutions

Multiple Choice

What is the solution?

• One Solution

• No solution

• Infinitely Many Solutions

Multiple Choice

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Multiple Choice

These two lines intersect at _____.

• (4, -2)

• (4, 2)

• (-2, 4)

• No solution