Quiz about Key Points Quadratic

Question 1

Which answer choice describes y = -3x² +7x - 2 accurately?

Accepted Answer

opens down with a maximum

Answer

opens up with a maximum

Answer

opens up with a minimum

Answer

opens down with a minimum

Question 2

Which of the following represents a quadratic function?

Accepted Answer

$$y = x^2 - 4x + 4$$

Answer

$$y = 2x + 3$$

Answer

$$y = x^3 - 4x + 6$$

Answer

$$y = 2^x$$

Question 3

If the x-value of the vertex is 1, What is the y-value?

$$y=x^2-2x+3$$ ?

Accepted Answer

2

Answer

1

Answer

3

Answer

5

Answer

4

Question 4

Define X-intercept

Accepted Answer

Where the parabola touches or intersects the x-axis

Answer

The highest or lowest point on the graph

Answer

Where the parabola touches or intersects the y-axis

Answer

A line that divides the graph into two equal parts. i.e. cuts the graph in half

Question 5

Define Y-intercept

Accepted Answer

Where the parabola touches or intersects the y-axis

Answer

Where the parabola touches or intersects the x-axis, also called the x-intercept

Answer

The lowest y-value on the graph

Answer

The highest y-value on the graph

Question 6

Does the quadratic have a maximum or minimum?

Accepted Answer

Maximum

Answer

Minimum

Question 7

The graph of a quadratic function is shown. Which values best represent the zeros of the function.

Select TWO correct answers.

Accepted Answer

x = -1

Accepted Answer

x = 3

Answer

x = 1

Answer

x = -4

Answer

x = -3

Question 8

If a graph has a vertex of (2,6), what is the axis of symmetry?

Accepted Answer

x=2

Answer

x=-2

Answer

y=6

Answer

2

Key Points Quadratic