Quiz about Quadratics Review Day 1

Question 1

What is the vertex of

$$y=2\left(x-1\right)^2-1$$ ?

Accepted Answer

(1,-1)

Answer

(-1, -1)

Answer

(1, 1)

Answer

(-1, 1)

Question 2

Does the graph open up or down for

$$y=2\left(x-1\right)^2-1$$ ?

Accepted Answer

opens upward (smile)

Answer

opens downward (frown)

Question 3

Does the graph of

$$y=\ -4\left(x+1\right)^2-3$$ have a maximum or minimum vertex?

Accepted Answer

maximum

Answer

minimum

Question 4

What is the axis of symmetry for the graph of

$$y=\ -4\left(x+1\right)^2-3$$ ?

Accepted Answer

x = -1

Answer

x = 1

Answer

x = -3

Answer

x = 3

Question 5

Which equation has a vertex of (-3, 4)?

Accepted Answer

y = 2(x+3)²+ 4

Answer

y = (x+3)² - 4

Answer

y = (x-3)² + 4

Answer

y = 2(x - 3)² + 4

Question 6

Which equations matches the graph above?

Accepted Answer

$$h\left(x\right)=\ \left(x+1\right)^2-4$$

Answer

$$h\left(x\right)=-\left(x+1\right)^2-4$$

Answer

$$h\left(x\right)=\left(x+4\right)^2-1$$

Answer

$$h\left(x\right)=-\left(x+4\right)^2+1$$

Question 7

Which equation in vertex form matches the quadratic graph?

Accepted Answer

$$y=-\frac{1}{2}x^2$$

Answer

$$y=-\left(x-1\right)^2$$

Answer

$$y=-\left(x-2\right)^2+1$$

Answer

$$y=-x^2-1$$

Question 8

What divides the parabola into 2 perfect halves?

Accepted Answer

Axis of Symmetry

Answer

Vertex

Answer

Axis of Doom

Answer

x - intercept

Question 9

What do we call the highest or lowest point of a quadratic?

Accepted Answer

vertex

Answer

parabola

Answer

graph

Answer

point

Question 10

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 11

What form is the quadratic equation written?

Accepted Answer

standard form

Answer

quadratic form

Answer

vertical form

Answer

slope intercept form

Question 12

The point at which the graph intersects the y-axis is the.....

Accepted Answer

y-intercept

Answer

y-axis

Answer

x-intercept

Answer

x-axis

Question 13

What is the green dashed line called?

Accepted Answer

axis of symmetry

Answer

roots or x-intercepts

Answer

parabola

Answer

y intercept

Question 14

The domain of any parabola is all real numbers

Accepted Answer

True

Answer

False

Question 15

What are the x- intercepts?

Accepted Answer

x= 0 and x= 4

Answer

x= 0 and x= -4

Answer

y= 0

Answer

x= 2

Question 16

What is the equation for axis of symmetry?

Accepted Answer

x=3

Answer

y=3

Answer

x=5

Answer

x=1

Question 17

What are the root(s) for g(x) = (x -10)(x + 1)

Accepted Answer

(10,0) and (-1, 0)

Answer

(-10, 1)

Answer

(-10,0) and (-1,0)

Answer

(0,10) and (0,-1)

Question 18

If a parabola opens upward and has roots at (3,0) and (-9,0), what is the equation?

Accepted Answer

y = a(x - 3)(x + 9), a > 0

Answer

y = a(x - 3)(x - 9), a > 0

Answer

y = a(x - 3)(x + 9), a < 0

Answer

y = a(x - 3)(x - 9), a < 0

Question 19

What are the root(s) for g(x) =3(x + 8)(x + 2)

Accepted Answer

(-8,0) and (-2,0)

Answer

(8,0) (2, 0)

Answer

(3, 0)

Answer

(0,-8) and (0,-2)

Question 20

What are the root(s) for g(x) = (x -10)(x + 1)

Accepted Answer

(10,0) and (-1, 0)

Answer

(-10, 1)

Answer

(-10,0) and (-1,0)

Answer

(0,10) and (0,-1)

Question 21

Solve by taking square roots:
a² + 9 = 9

Accepted Answer

a = 0

Answer

no solution

Answer

a = 3 or -3

Answer

a = 18

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