Front

Lava coming from the eruption of a volcano follows a parabolic path. The height h in feet of a piece of lava t seconds after it is ejected from the volcano is given by h(t) = -t² + 16t + 936. After about how many seconds does the lava reach its maximum height?

Back

8

Front

Endpoints of diameter: (–4, 4) and (2, –2). Find center of circle.

Back

(-1 , 1)

Front

Why does the data in the table NOT represent a function?

Back

The domain element 1 has two different range elements.

Front

Shauna saw 30 fish. If the number of fish she saw was 6 more than twice the number of clams, which equation could she use to find x, the number of clams?

Back

2x + 6 = 30

Front

Sally bought 3 hamburgers and 2 drinks for $10.45. Jason bought 4 hamburgers and 3 drinks for $14.30. How much would 1 hamburger and 1 drink cost?

Back

$3.85

Front

Effect on Shelby’s mean score if the outlier is omitted from test scores: 88, 92, 88, 55, 94, 90, 89.

Back

The mean would increase by 5.

Front

Equation of the line passing through (-3, 4) and perpendicular to y = ⅔x - 6?

Back

y = ⁻³/₂x - ½

Front

Midpoint of line segment with endpoints (1, 9) and (7, 1)?

Back

(4, 5)

Front

A system of inequalities is shown below.
y > 2x – 1
y < -3x – 1
Which quadrants on the coordinate grid contain the solution set to the system?

Back

II and III

Front

A liquid is evaporating. The amount of a liquid remaining, in liters, after x weeks is modeled by the equation y = 100(0.78)^x.  Approximately what percent of the liquid evaporates per week?

Back

22%