Math 7 PreAP Unit 5 TEST REVIEW

Write the equation of the line.

• y = 1x+1
• y=1x-1
• y=-1x+1
• y=-1x-1

Write the equation of the line.

• y= -1x-3
• y= -3x-1
• y=(-1/3)x-1
• y= -3x-3

What is the y intercept ?

• (1, 0)
• (0, -1)
• (0, 0)
• (0, -2)

Which equation describes the table? 

• y = 1/4x 
• y = 4 - x 
• y = 4 + x 
• y = 4x 

What equation describes the line shown:

• y = x + 6
• y = 6x - 1
• y = -x + 6
• y = 4x + 6

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

Which equation represents the line graphed?

• A. y = -x + 18 
• B. y = x + 18
• C. y = -2x + 18
• D. y = -18x + 9 

Asia is a salesperson for Quark Computer Company. Each month she earns $500 plus one-sixth of her sales, x. What equation represents this situation?

• y = 6x - 500
• y = 6x + 500
• y = 1/6x - 500
• y = 1/6x + 500

Find the rate of change  TEKS 8.4C

• 1
• 2
• 11
• Not a constant slope/Non-Linear