Functions and Linear

What is f(x) = 2x+2 if f(x) = 2?

• 6

• -8

• 10

• 0

Tags

CCSS.HSF.IF.A.2

What is the slope of all horizontal lines?

• 0

• undefined

• 1

• -1

Tags

CCSS.8.EE.B.5

What is the y-intercept of the equation:

y = 2x - 3?

• -2

• 2

• 3

• -3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

It is a test used to determine if the graph of a relation is a function.

• Horizontal line test

• Post line test

• Vertical line test

• Hove line test

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall

• The plant grows at a rate of 5/4 inch per week

• After 4 weeks the plant is 5 inches tall

• The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2

What does f(7) represent?

• A fare of P7 to ride the jeepney

• The fare to ride 7 kilometers

• The minimum distance to ride a jeepney

• The minimum fare of a jeepneyi

Tags

CCSS.HSF.IF.A.2

The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles.

What does c(7) represent?

• A cost of $7 to ride the taxi

• The cost to ride 7 miles

• The minimum distance to ride a taxi

• The minimum cost of a taxi

Tags

CCSS.HSF.LE.B.5

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12

• y = 12x + 1.5

• y = 0.67x - 8

• y = -8x + 0.67

Tags

CCSS.8.EE.C.8C

What is the x-intercept, y-intercept, and slope of the line 2x+4y=12

• 2, 4, 12

• 6, 2, -12

• 2, 2, 2/4

• 6, 3, -1/2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of the line 5x-10y=21

• -5/10

• -10/5

• 1/2

• -2

Tags

CCSS.8.EE.B.5