Algebra C&C Support Final Review

Front

What is the value of f(-2) for the function f(x) = 3x - x^2?

Back

f(-2) = 3(-2) - (-2)^2 = -6 - 4 = -10.

Front

In the equation y=200(1.08)^x, what does the 1.08 represent?

Back

The value of the item is increasing by 8% each year.

Front

What is the equation of a line with a slope of 1 and a y-intercept of 2?

Back

y = x + 2.

Front

What is the sum of (2x^2 + 5x - 7) and (3 - 4x^2 + 6x)?

Back

The sum is -2x^2 + 11x - 4.

Front

If Anita needs at least a 90 grade (g) to get an A, how can this be expressed mathematically?

Back

g ≥ 90.

Front

What is the standard form of a quadratic equation?

Back

The standard form is ax^2 + bx + c = 0.

Front

How do you find the vertex of a parabola given by the equation y = ax^2 + bx + c?

Back

The vertex can be found using the formula x = -b/(2a).

Front

What does the term 'slope' refer to in a linear equation?

Back

The slope indicates the steepness of the line and is calculated as the rise over run.

Front

What is the quadratic formula used to find the roots of a quadratic equation?

Back

The quadratic formula is x = (-b ± √(b^2 - 4ac)) / (2a).

Front

What is the difference between a function and a relation?

Back

A function is a relation where each input has exactly one output.