Does the equation open up or down? Y = -3x 2 +7x - 2

Neither; it opens to the right.

What is the formula above primarily used for?

Finding the axis of symmetry from standard form

Finding the vertex from standard form

Finding the vertex from vertex form

Finding the vertex from standard form

How do you know if a parabola has a minimum?

When ‘a’ is positive there is a minimum

When ‘a’ is negative there is a minimum

When all the numbers in the equation are negative there is a minimum

When all the numbers in the equation are positive there is a minimum

How can you tell whether a parabola opens up or opens down by looking at the equation?

The value of "a" tells you the direction of the opening.

The vertex tells you the direction of the opening

Which transformation will occur if f(x) = x 2 is replaced with 2⋅f(x)?

Vertical translation up by 2 units.

Which transformation will occur if f(x) = x 2 is replaced with -f(x)?

Nothing happens, it stays the same.

Vertical translation up by 2 units.

Which transformation will occur if f(x) = x 2 is replaced with f(x) + 2?

Vertical translation up by 2 units.

True or false: The solution, root, x-intercept, and zero of a problem are all the same thing.

False, because the solution and root are the same but the x-intercept and zero are different

False, because the x-intercept and root are the same but the zero and solution are different

Quadratic functions

Authored by Nicole Nelms

Mathematics

11th Grade

CCSS covered

Used 5+ times

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35 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Does this graph in the back have maximum or minimum value?

maximum

minimum

neither

both

Tags

CCSS.HSF-IF.C.7A

MULTIPLE CHOICE QUESTION

3 mins • 12 pts

What is the axis of symmetry for the following equation?
y=4x²-8x+9

x=-8

x=1

x=-1

x=2

Tags

CCSS.HSA.REI.B.4

MULTIPLE CHOICE QUESTION

3 mins • 12 pts

If given the equation
y = 3(x + 5)² - 4, what is the vertex of the parabola?

(5, -4)

(-5, -4)

(-15, -4)

(15, -4)

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

What are the
x-intercepts of the function
f(x)= (x - 2)(x + 3)?

x = - 2 or x = 3

x = 2 or x = -3

The are no real roots

x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the range of this function?

(- ∞,+∞)

[0, +∞)

[-2, +∞)

[2, +∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the vertex of y= x²- 8x + 14 ?

(2, 4)

(-4, -2)

(4, -2)

(-2, 4)

Tags

CCSS.HSA.REI.B.4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the vertex of the quadratic:
y = -2x² + 4x + 3

(0, 3)

(-1, 5)

(1, 5)

(1, -5)

Tags

CCSS.HSF.IF.C.7

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSA.REI.D.10

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Quadratic functions

Does this graph in the back have maximum or minimum value?

What is the axis of symmetry for the following equation?y=4x2-8x+9

If given the equation y = 3(x + 5)2 - 4, what is the vertex of the parabola?

What are thex-intercepts of the functionf(x)= (x - 2)(x + 3)?

What is the range of this function?

What is the vertex of y= x2 - 8x + 14 ?

Find the vertex of the quadratic:y = -2x2 + 4x + 3

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

What is the axis of symmetry for the following equation?
y=4x²-8x+9

If given the equation
y = 3(x + 5)² - 4, what is the vertex of the parabola?

What are the
x-intercepts of the function
f(x)= (x - 2)(x + 3)?

What is the vertex of y= x²- 8x + 14 ?

Find the vertex of the quadratic:
y = -2x² + 4x + 3