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Free Exam: Properties of Parabolas

Number of Questions in Test: 10
Number of Questions in Preview: 5
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Question 1

The equation y = a(x - h)² + k is the vertex form of a quadratic equation. Which two letters represent the coordinates of the vertex of the parabolic graph that the equation represents?

Type: Multiple choice
Points: 1
Randomize answers: Yes

Question 2

What determines whether or not an equation is quadratic?

Type: Multiple choice
Points: 1
Randomize answers: Yes

Question 3

If y = x² is the equation of a parabola with its vertex at the origin, the equation y = (x + 1)² + 2 represents a shift of the original graph 1 unit to the right and two units up.

Type: True/False
Points: 1

Question 4

A fractional value of "a" in the quadratic equation y = a(x - h)² + k indicates a horizontal narrowing of the original graph.

Type: True/False
Points: 1

Question 5

Simplify the expression x(1 - x) - (1 - x² ).

Type: Free text
Points: 1

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