Algebra Review

The graph of part of linear function is g shown on the grid. Which inequality best represents the domain of the part shown?

• -9 < x ≤ 2

• -9 ≤ x < 2

• -6 < g(x) ≤ 3

• -6 ≤ g(x) < 3

If p(x) = 5(x² + 1) + 16, what is the value of p(11)?

• 690

• 736

• 622

• 626

I was told by my boss to buy pounds of hamburger meat for $6 each and packages of hotdogs for $4 each. I was told to spend at most $100. Which inequality matches my situation?

(8 - 3x + x²) - (5 - 5x + 3x²)

• -2x²- 8x + 3

• 4x² - 2x + 3

• 4x² + 2x + 3

• -2x² + 2x + 3

What is the equation of the linear function graphed?

• x = -3

• x = -4

• y = -4

• y = -3

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.

Which correlation coefficient would best represent the following graph?

• 0.92

• 0.21

• 0

• -0.48

• (0, 3)

• (1, 7)

• (2, 11)

• (-2, 3)

• (-3, 8)

Mark has a lemonade stand and saves $5 of his daily pay to buy a new bike that costs $90. He has already saved $15. Which inequality represents the number of hours, x, that Mark must work to buy the bike?