TCAP Success Grade 8 MATH Chapter 6

1 pt

1.

Which statement about Line A and B is true?

A

The slopes of both lines are negative.

B

The slopes of both lines are positive.

C

The slope of Line A is positive, and the slope of line B is negative.

D

The slope of Line A is negative, and the slope of Line B is positive.

1 pt

3.

Music Galore and Downloadtopia are music downloading sites. What is the linear equation for the site with more downloads (x) per second (y)?

A

y = 6x

B

y = 5x

C

y = 6x + 2

D

y = 5x + 1

1 pt

4.

A third music download site, Soaring Music, can download 1.25 seconds slower than Music Galore. Which linear equation below shows the speed of Soaring Music?

A

y = –5x + 1.25

B

y = 5x + 1.25

C

y = 3.75x

D

y = 3.75x + 1

1 pt

6.

Which two students had the same rate of growth at the ages of 2 and 4? (see previous question)

A

Chelsea and Jeff

B

Ryan and Jeff

C

Chelsea and Mandy

D

Ryan and Mandy

1 pt

8.

Write the values in the table that would make a line with the same slope as the one in the graph.