1.2 Quiz: Systems of Equations

Last updated over 5 years ago
10 questions
1

What is the solution to the system?

1

What is the solution?

1

How many solutions?

1

What is the solution?

1

The ordered pair that satisfies all equations in the system.

1

In the systems of equation below, I can eliminate x by adding because the coefficients are opposites.
4x + 8y = 20
−4x + 2y = −30

1

What variable do you eliminate, and what do you multiply the equation(s) by?
5x + y = 9
10x − 7y = −18

1

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

2

What is the value of the y-coordinate of the solution to the system of equations. (2 points)
x - 2y = 1
x + 4y = 7

2

Solve:(2 pts)
3x + 2y = 16
7x + y = 19