Topic 3 Mid-Topic Assessment - 8th Math

Every relation is a function.

• True

• False

Tags

TEKS.MATH.8.5G

TEKS.MATH.A.12A

A __________ is a special type of __________.

• function / relation

• relation / function

Tags

TEKS.MATH.8.5G

TEKS.MATH.A.12A

Coach Faigle's definition of a function says that there are no _____ repeats. This means that each input (x) corresponds to only one output (y).

• x

• y

Tags

TEKS.MATH.8.5G

TEKS.MATH.A.12A

Is the relation shown in the arrow diagram a function?

• yes - each imput has only one output

• yes - each output has only one input

• no - each input has only one output

• no - the input 1.2 has 2 outputs

Tags

TEKS.MATH.8.5G

TEKS.MATH.A.12A

Function A has a rate of change (slope) of _____.

• $\frac{1}{4}$

• $\frac{3}{4}$

• $3$

• $1$

Tags

TEKS.MATH.AR.3A

Function B has a rate of change (slope) of _____.

• $\frac{1}{4}$

• $\frac{3}{4}$

• $3$

• $1$

Tags

TEKS.MATH.8.4C

TEKS.MATH.A.3B

Is the relation shown in the table a function? Use the graph to justify your answer.

• Yes, the relation is a function. The graph of the function is a straight line.

• Yes, the relation is a function. The graph of the function is a curve.

• No, the relation is not a function. The graph of the relation does not pass through the origin.

• No, the relation is not a function. The graph of the relation is not a straight line.

Tags

TEKS.MATH.A.12A

Is the function shown linear or nonlinear?

• linear because all values of x and y are positive

• nonlinear because there are no negative values of x or y

• linear because the y-values increase as the x-values increase

• nonlinear because the slope is not constant

Tags

TEKS.MATH.8.5C