OpenUp 8th Math 3.12 Review

A solution to an equation with ____ variables is a pair of values of the variables that make the equation true.

one possible solution to the equation 4x + 3y= 24 is (6,0) . Substituting 6 for x and 0 for y makes this equation true because 4(6) + 3(0) = 24 .

• true

• false

Select all of the ordered pairs that are solutions to the linear equation 2x + 3y = 6.

• (0,2)

• (0,6)

• (2,3)

• (3,-2)

• (3, 0)

The graph shows a linear relationship between x and y. x

represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books. What is the x-intercept of the line?

The graph shows a linear relationship between x and y. x

represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books. What is the 7-intercept of the line?

The graph shows a linear relationship between x and y. x

represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books. What is an equation for the line?

• y=20-4x

• y=4-20x

• y=20+4x

• y=-20-4x

The graph shows a linear relationship between x and y. x

represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books. What is the slope of the line?

• -4

• 4

• 1/4

• -1/4

The graph shows a linear relationship between x and y. x

represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books. If Priya buys 3 comics, how much money will she have remaining? type the number only

Which of the following are solutions for the equation:

y=1.5x

• (14, 21), (2,3), (8,12)

• (-3,-7), (0, -4), (-1,-5)

• (1/2, 1/2), (1/4, 3/4), (1/8, 7/8)

• (0.5, 3), (1, 6), (1.2, 7.2)

Which of the following are solutions for the equation:

2x + 3y = 7

• (14, 21), (2,3), (8,12)

• (-3,-7), (0, -4), (-1,-5)

• (1/2, 1/2), (1/4, 3/4), (1/8, 7/8)

• (0.5, 3), (1, 6), (1.2, 7.2)