Quiz about Algebra Topic 8

Question 1

What is the green dashed line called?

Accepted Answer

axis of symmetry

Answer

roots or x-intercepts

Answer

parabola

Answer

line of dashes

Question 2

What is the green dot on the parabola called?

Accepted Answer

vertex

Answer

root

Answer

dot

Answer

minimum value

Question 3

What is the vertex of y=x²+4x+3?

Accepted Answer

(-2,-1)

Answer

(2,15)

Answer

(-2,15)

Answer

(0,0)

Question 4

What are the green dots called?

Accepted Answer

roots

Answer

axis of symmetry

Answer

vertex

Answer

parabola

Question 5

The graph of a quadratic function is called a

Accepted Answer

Parabola

Answer

Vertex

Answer

Axis of Symmetry

Answer

Vertex Form

Question 6

The two solutions to
y = 2x² -x -3 are...

Accepted Answer

-1 or 3/2

Answer

3 or 2

Answer

-1 or -3/2

Answer

-3 or -2

Question 7

What are the solutions to
v² + 6v + 5 = 0

Accepted Answer

(-5, 0) and (-1, 0)

Answer

(x+1)(x+5)

Answer

(5, 0) and (1, 0)

Answer

(6,0) and (0,0)

Question 8

What are the roots?

Accepted Answer

x= 0 and x= 4

Answer

x= 0 and x= -4

Answer

y= 0

Answer

x= 2

Question 9

How many zeros does this parabola have?

Accepted Answer

2

Answer

3

Answer

0

Answer

1

Question 10

Solve
4m² - 100 = 0

Accepted Answer

m=5 or m=-5

Answer

m=25 or m=-25

Answer

m=96

Answer

m=-96

Question 11

Does this parabola have a minimum or maximum and what is its value?

Accepted Answer

maximum: 5

Answer

minimum: 2

Answer

maximum: 2

Answer

minimum: 5

Question 12

Solve using square roots.
5b² - 4 = 41

Accepted Answer

b = 3 or b = -3

Answer

b = 9 or b = -9

Answer

b = 8 or b = -8

Answer

no solution

Question 13

What is another name for the x-intercepts of a quadratic?

Accepted Answer

Zeros

Answer

y-intercept

Answer

x-axis

Answer

They don't have another name

Question 14

Solve:
a² + 2a - 24 = 0

Accepted Answer

a = -6 or a= 4

Answer

a = 6 or a= -4

Answer

a = 12 or a= -2

Answer

a = 8 or a= -3

Question 15

Solve.

Accepted Answer

r=-3 or r=4

Answer

r=3 or r=-4

Answer

r=-4 or r-=-3

Answer

r=-3

Question 16

What is the y intercept: y = 16x² -8x -24

Accepted Answer

(0, -24)

Answer

(0, 16)

Answer

(0,-8)

Answer

(0, 24)

Question 17

Does the equation open or or down and wider or narrower than x²?
Y = -3x² +7x - 2

Accepted Answer

down narrower

Answer

up wider

Answer

down wider

Answer

up narrower

Question 18

What is the domain of the function?

Accepted Answer

all real numbers

Answer

x > 3

Answer

x < 3

Answer

-1 < x < 5

Question 19

True or false:
The root, x-intercept, and zero are all the same thing

Accepted Answer

True

Answer

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

Answer

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

Answer

False, they are all different

Question 20

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

Accepted Answer

(0, -6)

Answer

(0, 6)

Answer

(6, 0)

Answer

(-6, 0)

Question 21

How many x-intercepts does this graph have?

Accepted Answer

no solutions

Answer

one

Answer

two

Answer

cannot be determined

Question 22

Find the zeros of the function f(x) = x²+13x+30

Accepted Answer

x = -3 and x= -10

Answer

(x+3)(x+10)

Answer

(x-3)(x-10)

Answer

x= 3 and x=10

Question 23

Question 23.

Accepted Answer

Graph 2

Answer

Graph 1

Answer

Graph 3

Answer

Graph 4

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