Algebra 2 ~ SEMESTER TEST December 2024

Front

What is the formula to find the x-value of the vertex when given the standard form of a quadratic?

Back

x = -b / (2a)

Front

What is the significance of the ordered pair (0, -2) to the graph?

Back

It is the y-intercept.

Front

What is the graph of a quadratic function called?

Back

Parabola.

Front

Factor d² - 10d + 25.

Back

(d - 5)(d - 5)

Front

What does the term 'axis of symmetry' refer to in a parabola?

Back

A vertical line that divides the parabola into two mirror-image halves.

Front

What is the standard form of a quadratic equation?

Back

y = ax² + bx + c.

Front

What does the coefficient 'a' in a quadratic equation determine?

Back

The direction and width of the parabola.

Front

How do you find the y-intercept of a quadratic function?

Back

Set x = 0 and solve for y.

Front

What is the vertex of a parabola?

Back

The highest or lowest point on the graph of the quadratic function.

Front

What is the quadratic formula used for?

Back

To find the x-values of the roots of a quadratic equation.