Day 1 Category 2 - 8th Math

Which of the following does NOT represent a function?

• F
• G
• H
• J

The recorded data of a frozen yogurt shop shows the number of customers that came to the shop and the temperature. Which is the best estimate of how many more customers should be expected on a day with 88 degrees than 63 degrees?  (How many more means subtract)

• 100
• 125
• 150
• 112

What is the solution of the system of equations shown below.
  y=  x + 7
            y= (-1/3)x + 3

• F (-3,4)
• G (9,0)
• H (2,-4)
• J (0,-7)

________ is how steep a line is. For example, the ________ for this picture is 3/5 or 0.6.

• y-axis
• y-intercept
• slope
• x-axis

What are the slope (m)  and y-intercept (b) of the line that best represents the data shown in the table? (First find the equation)

• m= 0.5  b= 3
• m= -0.5 b= 3.5
• m= -0.5 b= 3
• m= 3     b= 0.5

Tags

CCSS.7.RP.A.2D

Where a straight line crosses the y-axis.

• origon
• y-intercept
• x-intercept
• intersect

Tags

CCSS.7.RP.A.2D

Which function is shown in the graph.

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

Based on the data in the graph a student will score a 50 without studying, which of the following is the best estimate of how much a student's score improves if the student studies 3 hours. Use the graph.

•   3 points
•  8 points
•  13 points
•  30 points

Tags

CCSS.7.RP.A.2D

Which is the correct graph for the function y= (1/2)x + 4?

• A
• B
• C

Tags

CCSS.7.RP.A.2D

Which shows a proportional relationship?

• A

• B

• A and B

• Neither

Tags

CCSS.7.RP.A.2D