Algebra 1 Test 1 Review

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Marco wants to study if the distance a person kicks a soccer ball affect how well they will do on their math test. What is the dependent variable?

• How far they kick the soccer ball

• who the person is

• how well they do on the math test

• Type of soccer ball.

Sarah is curious if the type of gasoline put in a car effects how fast the car can drive. What is the independent variable?

• Type of gasoline

• which car the gas is put into

• how fast the car can drive

• how much gas is put into the car

Tiffany was investigating how fast it took Hayden to react to different sounds. Identify the independent variable.

• How fast Hayden reacted

• different sounds

• types of music

• Hayden

What is the range of the graph?

• 1 ≤ y < ∞

• 1 ≤ x < ∞

• All real numbers

• none of these