Quadratic Functions: Interactive Learning Quizzes for 1st Grade

Question 1

What is the name of the graph that shows a quadratic function?

Accepted Answer

Parabola

Answer

Circle

Answer

Line

Answer

Square

Question 2

What is the y-intercept of the function y = x^2 - 2x + 1? The y-intercept is the value of y when x is 0.

Accepted Answer

1

Answer

-2

Answer

3

Answer

5

Question 3

Which equation has a highest point of 5?

Accepted Answer

y equals x squared plus 5

Answer

y equals x squared minus 5

Answer

y equals negative x squared plus 5

Answer

y equals negative x squared minus 5

Question 4

Which of these is NOT a special thing about a quadratic equation?

Accepted Answer

It is a straight line

Answer

It looks like a 'U'

Answer

It has a highest or lowest point

Answer

It crosses the x-axis twice

Question 5

What is the special point called on a quadratic graph?

Accepted Answer

The top or bottom of the 'U'

Answer

The point where it crosses the y-axis

Answer

The point where it crosses the x-axis

Answer

The point where it is steepest

Question 6

What is the lowest point on a parabola called?

Accepted Answer

Minimum

Answer

Maximum

Answer

Vertex

Answer

Intercept

Question 7

Which graph looks like a parabola?

Accepted Answer

[Image of a parabolic graph]

Answer

[Image of a linear graph]

Answer

[Image of a sinusoidal graph]

Question 8

Look at these function choices: y = x^2 + 2x - 3, y = 2x, y = sqrt(x), y = 1/(x^2). Which of these choices matches the structure of a quadratic function?

Accepted Answer

y = x^2 + 2x - 3

Answer

y = 2x

Answer

y = sqrt(x)

Answer

y = 1/(x^2)

Question 9

For y = -x^2 + 4x + 3, what is the point at the top of the parabola?

Accepted Answer

(2, 7)

Answer

(-2, 7)

Answer

(4, -7)

Answer

(0, 3)

Question 10

What is the line of symmetry for y = (x - 3)^2 + 2?

Accepted Answer

x = 3

Answer

x = 2

Answer

y = 2

Answer

y = 3

Question 11

Pick the function written in standard form.

Accepted Answer

y = ax^2 + bx + c, where a ≠ 0

Answer

y = √x

Answer

y = 2^x

Answer

y = x(x + 1)

Question 12

Which graph represents a quadratic function with a negative leading coefficient?

Accepted Answer

Image of a downward-facing U-shaped graph

Answer

Image of a circle

Answer

Image of an upward-facing U-shaped graph

Answer

Image of a straight line

Question 13

What is the vertex of the quadratic function y = x^2 - 4x + 3?

Accepted Answer

(2, -1)

Answer

(1, -3)

Answer

(4, 1)

Answer

(3, 2)

Question 14

Which equation represents a quadratic function?

Accepted Answer

y = x^2

Answer

y =  √x

Answer

y = 1/x

Answer

y = x + 1

Question 15

What is the special point where a parabola changes direction called?

Accepted Answer

Vertex

Answer

Maximum

Answer

Root

Answer

Intercept

Question 16

What is the vertical line that divides a parabola into two equal parts called?

Accepted Answer

Axis of symmetry

Answer

Y-axis

Answer

X-axis

Question 17

What is the point where a parabola crosses the x-axis called?

Accepted Answer

X-intercept

Answer

Y-intercept

Answer

Vertex

Question 18

What is the point where a parabola crosses the y-axis called?

Accepted Answer

Y-intercept

Answer

X-intercept

Answer

Vertex

Question 19

What is the value that tells us how many and what type of solutions a quadratic equation has called?

Accepted Answer

Discriminant

Answer

Intercept

Answer

Coefficient

Question 20

Which of the following is an example of a quadratic function?

Accepted Answer

x^2 + 2x

Answer

2x + 3

Answer

x^3 + x

Question 21

Which of the following is a real-world application of quadratic functions?

Accepted Answer

Projectile motion

Answer

Sound waves

Answer

Ohm's law

Answer

Geometric sequences