Algebra 2 CP Review

Front

What is the parent function of a quadratic equation?

Back

y = x²

Front

What does the range of a function represent?

Back

All y values, from bottom to top.

Front

If the length of a rectangle is 5 less than twice its width and the perimeter is 26 meters, what are the dimensions?

Back

6 m by 7 m

Front

What does it mean if a quadratic/linear system has no solutions?

Back

The lines do not intersect; they are parallel.

Front

In the formula A = P(1 + r/n)^(nt), what does n represent?

Back

The number of times compounded per year.

Front

What is the standard form of a quadratic equation?

Back

y = ax² + bx + c

Front

How do you find the vertex of a parabola given in standard form?

Back

Use the formula (-b/2a, f(-b/2a)).

Front

What is the difference between a linear function and a quadratic function?

Back

Linear functions have a constant rate of change; quadratic functions have a variable rate of change.

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2(length + width) or P = 2l + 2w.

Front

What is the discriminant in a quadratic equation and what does it indicate?

Back

The discriminant is b² - 4ac; it indicates the nature of the roots (real and distinct, real and equal, or complex).