A1 Final Exam Review

Front

Which equation could match the graph?

Back

y = (x + 2)(x - 1)

Front

Simplify the expression: 5^5 * 5^-3

Back

5^2

Front

What is the vertex of the parabola given by y = 3(x + 5)^2 - 4?

Back

(-5, -4)

Front

Write an equation for a culture of bacteria that begins with 5000 cells and dies by 30% each year.

Back

y=5000(0.7)^x

Front

Name the polynomial by degree and number of terms: x^2 + 2x - 8

Back

quadratic trinomial

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c, where a ≠ 0.

Front

What is the formula for the vertex of a parabola in standard form?

Back

Vertex (h, k) where h = -b/(2a) and k = f(h).

Front

How do you determine the degree of a polynomial?

Back

The degree is the highest exponent of the variable in the polynomial.

Front

What is the difference between a binomial and a trinomial?

Back

A binomial has 2 terms; a trinomial has 3 terms.

Front

What does it mean for a function to be exponential?

Back

An exponential function has the form y = ab^x, where b > 0 and b ≠ 1.