LINEAR EQUATIONS

Which list of ordered pairs represents solutions to x + y = 2 ?

(-4, 6), (0, 2), (4, -2)

Given: 2x + 3y = 6. What is the y-intercept?

(0, 2)

Write the following equation in the general form Ax + By + C = 0. 2x + y = 6

2x + y - 6 = 0

Write the following equation in the general form Ax + By + C = 0. 1/2y - 1/3 x - 1 = 0

2x - 3y + 6 = 0

Given: x + y = 10. If x = -21, what is y?

31

Plot the following equation using the x- and y-intercepts. If both intercepts are zero, find at least one other point. Then click on the correct graph below. x - y = 3

arrows pointing up left and down right (-3,3)

Plot the following equation using the x- and y-intercepts. If both intercepts are zero, find at least one other point. Then click on the correct graph below. 2y + 6 = 0

straight line across the bottom

Given: x + 2y = -6. Solve for y.

y=-x-6/2

If the ordinate is three more than twice the abscissa and xE {-1, 0, -1/3}, which of the following sets of ordered pairs satisfies the given conditions?

{(-1, 1), (0, 3), (-1/3, 7/3)}

Given: x + y = 6. If xE {-15, -6, -1}, then which of the following sets of ordered pairs are solutions?

{(-15, 21), (-6, 12), (-1, 7)}

If the ordinate equals the abscissa and x {-3, 0, 12}, which of the following sets of ordered pairs satisfies the given conditions?

{(-3, -3), (0, 0), (12, 12)}

Given:1/3 x + y = 15. Which of the following are ordered pairs of this equation?

{(-3, 16),(0, 15),(3, 14)}

Plot the following equation using the x- and y-intercepts. If both intercepts are zero, find at least one other point. Then click on the correct graph below. 2x - 3y = 6

(-2,3)

Given: 5x - 6y = 0. What is the x-intercept?

(0, 0)

Given: 3x + y = 1. Solve for y.

y = -3x + 1