Algebra 1 Review 1

Ms. Denney needs a poster with an area of at least 6ft wide and 8ft high. If both width and height increase by the same amount x, what is an equation to represent the poster's area?

• (x - 6)(x + 8)

• (x + 6)(x + 8)

• (x + 6 + 8)

• (6 + 8)

Ms. Denney needs a poster with an area of at least 6ft wide and 8ft high. Both width and height increase by the same amount y. What is true about y?

• y is any real number (including negatives).

• y is non-negative (positive or zero).

• y is negative.

• y is equal to 2.

Tadpoles in a pond are increasing by 7% each day. The pond started with 100 tadpoles. Which equation could be used to calculate the total number of days, x, if the total number of tadpoles after x days is 1500?

Which correlation coefficient would best represent the following graph?

• 0.92

• 0.21

• 0

• -0.48

Which correlation coefficient would best represent the following graph?

• 1

• 0

• -0.98

• 0.5

Which correlation coefficient would best represent the following graph?

• 0.25

• -0.71

• 0

• 1

• (3x - 2)(3x + 2)

• (0, 3)

• (1, 7)

• (2, 11)

• (-2, 3)

• (-3, 8)