S2 FINAL REVIEW

Front

Solve for x: 2x + 4 = 10

Back

x = 3

Front

What type of function is f(x)=2(1/7)^x?

Back

Exponential Decay

Front

What is the explicit equation for the function t(n) if t(n) = -2n + 5?

Back

t(n) = -2n + 5

Front

What is the equation for the axis of symmetry in a parabola?

Back

x = -\frac{b}{2a} (for a quadratic equation ax^2 + bx + c)

Front

What is the 6th number in the arithmetic sequence: 13, 19, 25, ...?

Back

43

Front

Define an arithmetic sequence.

Back

A sequence of numbers in which the difference between consecutive terms is constant.

Front

What is the formula for the nth term of an arithmetic sequence?

Back

a_n = a_1 + (n-1)d, where a_1 is the first term and d is the common difference.

Front

What is the common difference in the sequence: 5, 8, 11, 14?

Back

3 (the difference between consecutive terms)

Front

What is the vertex form of a quadratic function?

Back

f(x) = a(x-h)^2 + k, where (h,k) is the vertex.

Front

What is the quadratic formula?

Back

x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}.