Intro to Domain and Range in Quadratics

Which is the set of all y-values or the outputs?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the Domain?

• {-3, -1, 1, 3, 5, 7, 9}

• {-3, -2, -1, 0, 1, 2, 3}

• -3 ≤ x ≤ 3

• -3 ≤ x ≤ 9

Answer explanation

Remember, domain is all of your x-values and range is all of your y-values.

What is the range?

• {-3, -1, 2, 4}

• {0, 4, 7} 

• {0, 4, 4, 7}

• {7, 4, 0}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The domain of all quadratic functions, if not explicitly defined, is

• Impossible to tell without the function defined for us.

• All Real numbers.

(a)  

• F

• G

• H

• J

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

(a)  

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

The graph of quadratic function f is shown on the grid. Which of these best represents the domain of f?

• All real numbers less than -3 or greater than 2.

• All real numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

The graph shows the height of an object in meters after it is dropped off the edge of a building. Which of these best represents the domain of the quadratic?

• All real numbers

• All real numbers less than 4

g

i

e

c

all real numbers

-1

10

greater than or equal to

less than or equal to