22.5 Week Assessment Review Day 1

Is this graph a function or not a function?

• Function

• Not a Function

Answer explanation

*Vertical line test* & Think about a vending machine: inputs (x-values) are "buttons", outputs (y-values) are what the vending machine gives you - are your outputs consistent for an input/"button"?

Tags

CCSS.8.F.A.1

A graph is presented. What is the DOMAIN for this graph?

• {-4,-1,4,5,8}

• {-6,0,2,3,4}

• {1,0,9,-4,5}

• {-6,0,4,5,8}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain?

• {-2, -1, 0, 1, 8}
• {3, 5, 7 , 9, 0}
• {-2, -1, 0, 1, 3, 5, 7, 8, 9}
• {-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Find the equation of the line with a slope of 1 and a

y- intercept of 4

• y = -x+ 4

• y = x +4

• y = -4x + 1

• y =4x -1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.
t = the number of treats
s = the number of students
Which of the variables is independent?

• s
• t

Tags

CCSS.6.EE.C.9

Which equation matches the graph? (Click me to see the image)

• y = 2x + 2
• y = 1/4x + 2
• y = 1x + 4
• y = 4x + 2

X is the input and Y is the output;

Rule: y=2x+1

Which graph shows the rule?

• a

• b

• c

• d

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

You are visiting Baltimore, MD and a taxi company charges you a flat fee of $3.00 for using the taxi and $0.75 per mile.

Which of the following equations matches the situation?

• 0.75x + 3y = 50

• y = 0.75x + 3

• y = 3x + 0.75

• 3x + 0.75y = 50

• 50 = -0.75x + y

Tags

CCSS.6.EE.C.9