CCSS.Math.Content.8.F.B.4

Find the slope of the line that passes through:
(6,7) and (4,2)

• 2/5
• -5/2
• 5/2
• -1/2

Tags

CCSS.Math.Content.8.F.B.4

In the equation y=mx+b, b is the ____.

• Slope
• Y-intercept
• X-intercept
• Origin

Tags

CCSS.Math.Content.8.F.B.4

Write the equation of the line that has a slope of 3 and passes through (5, 11)

• y = 3x - 4
• y = 3x  - 26
• y = 3x - 38
• y = 3x - 28

Tags

CCSS.Math.Content.8.F.B.4

Which line has a positive slope?

• pink
• green
• blue
• neither

Tags

CCSS.Math.Content.8.F.B.4

What is the y-intercept of this graph?

• -1
• 3
• -3
• -2

Tags

CCSS.Math.Content.8.F.B.4

In the equation

y = mx + b

"b" is called the:

• y-intercept

• slope

• x-intercept

Tags

CCSS.Math.Content.8.F.B.4

What is the slope of the line that passes through these two points (0, -2) and (3, -4)?

• 2/3

• -2/3

• 3

• -2

Tags

CCSS.Math.Content.8.F.B.4

A balloon is released from the top of a building that is 50 meters tall. The balloon rises at the rate of 4 meters per second. Which equation represents the situation?

• y = 4x + 50

• y = - 4x + 50

• y = 50 - 4x

• y = 4x - 50

Tags

CCSS.Math.Content.8.F.B.4

Which function is best represented by this graph?

• $y\ =\ \frac{1}{2}x\ +\ 6$

• $y\ =\ -2x\ +\ 3$

• $y\ =\ 2x\ +\ 6$

• $y\ =\ -\frac{1}{2}x\ +\ 3$

Tags

CCSS.Math.Content.8.F.B.4

The total cost in dollars to buy uniforms for the players on a volleyball team can be found using the function $c=34.95u+6.25,$  where  $u$  is the number of uniforms bought.  If there are at least 8 players but not more than 12 players on the volleyball team, what is the domain of the function for this situation?

•  $0<u\le12$  

•  $0<c\le425.65$  

•  $\left\{8,\ 9,\ 10,\ 11,\ 12\right\}$  

•  $\left\{285.85,\ 320.80,\ 355.75,\ 390.70,\ 425.65\right\}$  

Tags

CCSS.Math.Content.8.F.B.4