Algebra 1: Spring Review

Which expression(s) are equivalent to 4?

Which of these ordered pairs satisfies an exponential equation?

• {(1, −1), (2, −8), (3, −27), (4, −64)}

• {(1, −1), (2, −4), (3, −9), (4, −16)}

• {(1, −2), (3, −8), (5, −32), (7, −128)}

• {(1, −2), (3, 2), (5, 6), (7, 10)}

-5, 20, -80, 320, ... is a geometric sequence. Determine the common ratio.

A ball is dropped from a height of 18 feet. The function f(x) = 18(0.75)x gives the height in feet of each bounce, where x is the bounce number. What will be the height of the third bounce to the nearest tenth of a foot?

Which regression equation best fits the data shown in the table?

Which polynomial(s) are perfect square trinomials?

Which function(s) are quadratic?

If the zeros of a function are -6 and -2, what is the axis of symmetry?