Chapter 7 Review day

Front

Determine whether ( -2, 3) is a solution to this system:

3x + 4y = 6

y= 1 - x

Back

yes

Front

Solve the system by graphing:

5x + y = 8

-10x - 2y = -3

Back

No solution

Front

Solve by elimination:

x - 2y = -11

3x + y = 16

Back

(3, 7)

Front

Back

(6, 9)

Front

Solve the system:

0.5x - 2.1y = 7.2

1.4x + 0.3y = 7.8

Back

(6, -2)

Front

When the linear equations in a system of equations have different slopes and the same y- intercepts, the system is said to be ....

Back

Consistent Independent

Front

When solving a system of linear equations produces a false statement such as 1= 2, the system is said to be......

Back

Inconsistent

Front

Determine the multiplier needed to eliminate the x-terms in the following system. (DO NOT SOLVE)

3x +4y = 3

-5x +2y = 6

Back

Multiply the first equation by 5 and the second equation by 3

Front

Back

Front

Solve by substitution:

3x + 2y = -1

2x - y = 4

Back

(-1, 2)