8.PS/PFA Quizizz Day 1

What is the equation of the blue line?

y = (a)   x + ​ (b)  

• -2
• 2
• 3
• -3
• -4
• 4
• 1
• -1

The line y = -5/4x - 1 is shown.

If the constant +4 is added to create the line y = -5/4x + 3, which best describes this change?

• The line was shifted four units vertically.

• The line was shifted shifted negative four units vertically.

• The line became four times more steep.

• The line became four times less steep.

What do you do if there are two numbers in "the middle" when you are finding the median for a box plot?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles.

What is the probability of selecting 2 purple marbles without replacement?

​ (a)   /​ (b)  

• 2
• 9
• 10
• 5
• 1
• 3
• 4
• 7

Tags

CCSS.HSS.CP.B.9

Identify the domain of the following relation:

• -6, 14, 2, 28
• (-6,14), (0,32), (2,38), (4,44)
• -6, 0, 2, 4
• 14, 32, 38, 44

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5