Algebra 1 B.E.S.T. Practice Test

• 0 ≤ t

• 0 ≤ y

• 0 ≤ t ≤ 30

• 0 ≤ y ≤ 30

Which equation models exponential growth?

Which function represents exponential decay?

• g(x) = 3x

The expression 4th root of 32 times 4th root of 2 is equivalent to 4th root of x. What is the value of x?

• 64

• 16

• 8

• 32

A line with a slope of -0.5 passes through the point (8,6). Write the equation of the line in point-slope form.

• y - 6 = -0.5 · (x - 8)

• y - 8 = -0.5 · (x - 6)

• y - 0.5 = 6 · (x - 8)

• y - 6 = 8 · (x - (-0.5))

Which type of function models the price for parking one car as a function of time?

• increasing linear

• decreasing linear

• increasing exponential

• decreasing exponential

Which function has the greatest slope?

• y = (2/3)x + 5

• y = -2x + 7

• y = (5/2)x - 1

• y = (3/5)x - 4

Two hikers are exploring a mountain. One hiker is at an elevation of 200 meters, while the other hiker is at a different elevation. The given equation can be used to find the possible elevations, y, in meters, of the other hiker. | y - 200 | = 45 Enter values to complete the sentence about the other hiker's elevation, in meters. The other hiker is at an elevation of either ____________ or ____________.

• 245 or 155

• 245 or 145

• 255 or 145

• 245 or 135