Quiz about 3 Forms of a Quadratic

Question 1

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

Accepted Answer

Up

Answer

Down

Question 2

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

Accepted Answer

x = 2 or x = -3

Answer

x = - 2 or x = 3

Answer

The are no real roots

Answer

x = 2 or x = 3

Question 3

What is the y-intercept of
f(x)=2x² + 4x + 6

Accepted Answer

(0 , 6)

Answer

(6 , 0)

Answer

(-6 , 0)

Answer

(0, -6)

Question 4

What are the x-intercepts of
f(x)=(x - 10)(x + 10)

Accepted Answer

(10 , 0) and (-10 , 0)

Answer

10

Answer

(0, -10) and (0, 10)

Answer

0

Question 5

All Parabolas contain a vertex, when it opens up, this point is called a what?

Accepted Answer

Minimum

Answer

Maximum

Question 6

True or False:
The domain of a quadratic is all real numbers.

Accepted Answer

True

Answer

False

Question 7

Find the axis of symmetry for the function:
f(x) = 2x² - 4x - 6

Accepted Answer

x = 1

Answer

x = -1

Answer

x = 4

Answer

x = -4

Question 8

What is the equation for the axis of symmetry of
f(x)= (x +1)² + 5

Accepted Answer

x = -1

Answer

x = 1

Answer

x = -5

Answer

x = 5

Question 9

What are the zeros for the function
f(x) = (x + 7)(x + 5)

Accepted Answer

(-7 , 0) and (-5 , 0)

Answer

(7 , 0) and (5 , 0)

Answer

(0 , 7) and (0 , 5)

Answer

(7 , 0) and (5 , 0)

Question 10

What is the vertex of
f(x) = 2(x - 5)² + 12

Accepted Answer

(5, 12)

Answer

(-5, -12)

Answer

(5,-12)

Answer

(-5, 12)

Question 11

What form is the following equation written in?
y = 2(x - 2)² + 4

Accepted Answer

Vertex

Answer

Standard

Answer

Factored

Answer

Linear

Question 12

What form is the quadratic equation written in?
y = (x - 2)(x + 4)

Accepted Answer

Factored

Answer

Standard

Answer

Vertex

Answer

Descending Polynomial

Question 13

What can we find easily in standard form?

Accepted Answer

y-intercept

Answer

vertex

Answer

zeros/x-intercepts

Question 14

What can we find easily in factored form?

Accepted Answer

zeros/x-intercepts

Answer

y-intercept

Answer

vertex

Question 15

Which of the following equations matches standard form of a quadratic?

Accepted Answer

y = ax² + bx + c

Answer

ax + by = c

Answer

y = a(x - h)² + k

Answer

y = mx + b

3 Forms of a Quadratic

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