8th IAR Review Flashcard #1

Front

Solve for v: 8v - 4(v + 8) = 8

Back

v = 10

Front

Solve for x: -4x + 1 = 21

Back

x = -5

Front

Identify the set of values that represents 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)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

What type of association is shown between the number of notebooks bought and the total cost?

Back

Positive association

Front

Label the type of association shown by the scatter plot: positive, negative, or none.

Back

Negative association

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the definition of a positive association in a scatter plot?

Back

As one variable increases, the other variable also increases.

Front

What is the definition of a negative association in a scatter plot?

Back

As one variable increases, the other variable decreases.

Front

What does it mean if there is no association in a scatter plot?

Back

There is no discernible pattern between the two variables.

Front

What is the slope of a line with a positive association?

Back

The slope is positive.