Solving Systems of Equations by Graphing

What is the primary method used in this video to solve systems of equations?

• Elimination

• Substitution

• Matrix Method

• Graphing

In the first system of equations, what is the y-intercept of the first equation?

• 0

• 1

• -4

• 3

What is the slope of the second line in the first system of equations?

• 3

• -1/2

• 1/2

• -3

What happens when two lines have the same slope?

• They are parallel and never intersect

• They coincide

• They intersect at one point

• They form a right angle

In the second system of equations, what is the y-intercept of the first equation?

• 0

• -2

• 1

• 2

What is the solution to the second system of equations?

• (3, -2)

• (4, -4)

• (2, 2)

• No solution

In the third system of equations, what is the slope of the first line?

• -1/2

• -1

• -3/2

• 1/3

What is the intersection point of the third system of equations?

• (2, -3)

• (4, -4)

• (3, -2)

• (0, 2)

In the final example, what is the slope of the second equation?

• 1/3

• -1

• -1/2

• 3

What is the final solution to the last system of equations?

• (3, -2)

• (4, -4)

• (0, 1)

• (2, 2)