Question 1

What could be a synonym for the word substitution?

Accepted Answer

Replace

Answer

Delete

Question 2

What do we call the following group of numbers?   ( 6, 8)

Accepted Answer

Ordered pair

Answer

Slope

Question 3

A set of 2 or more linear equations is called:

Accepted Answer

System

Answer

Solution

Question 4

Is the ordered pair a solution for the system of linear equations?  (-2,0)                                                                                           y= -2x - 4                                                                                                                      y= x + 4

Accepted Answer

No

Answer

Yes

Question 5

Is the ordered pair a solution for the system of linear equations? (2,5)                                                                                     x + y = 7                                                                                                              2x - 3y= -11

Accepted Answer

Yes

Answer

No

Question 6

Solve the following system of linear equations by substitution.                                                                                                x = 6y -7                                                                                                      4x + y = -3

Accepted Answer

x=-1 ,  y=1

Answer

x=2,  y=-1

Answer

x=1,  y=-1

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