Quiz about Algebra Quadratic Equations

Question 1

Which expression is a factor of the given trinomial?

Accepted Answer

x+4

Accepted Answer

8x-9

Answer

x-4

Answer

8x+9

Question 2

Which expression is a factor of the given trinomial?

Accepted Answer

5n-4

Answer

n+1

Answer

n+4

Answer

5n+1

Question 3

How many real solutions does any quadratic equation have?

Accepted Answer

2

Answer

0,1,2

Answer

1,2

Question 4

Which expression is a factor of the given trinomial?

Accepted Answer

$$x=\pm i$$

Answer

$$\frac{y}{2}=\frac{dx}{dy}+a2\ \lim_{x\rightarrow y}2+6$$

Answer

$$k=10$$

Answer

$$1=2$$

Question 5

What is the axis of symmetry for the graph:

Accepted Answer

y axis

Answer

y intercept

Answer

x axis

Answer

x intercept

Answer

y = 8

Question 6

What is the range shown for the equation in the graph:

Accepted Answer

$$y\ \ge\ -5$$

Answer

$$\ y\ \ge\ +5$$

Answer

$$y\ \le\ -5$$

Answer

$$y\ \le\ +5$$

Answer

All real numbers

Question 7

What is the domain for the graph shown:

Accepted Answer

All real numbers

Answer

$$-10\ \le\ \ y\ \le\ -5$$

Answer

$$-1.2\le x\le1.2$$

Answer

$$y\ge-5$$

Answer

$$x\ge-5$$

Question 8

How will the parent function $$f\left(x\right)=x^2$$ be transformed if "a" becomes negative?

Accepted Answer

The parabola will reflect over the x-axis.

Answer

The parabola will shift horizontally.

Answer

The parabola will shift vertically.

Answer

The parabola will stretch vertically and become narrower.

Answer

The parabola will compress and become wider.

Question 9

What will happen to the function $$f\left(x\right)=ax^2+k$$ , if the value of "k" changes?

Accepted Answer

The parabola will shift vertically.

Answer

The parabola will shift horizontally.

Answer

The parabola will stretch vertically and become narrower.

Answer

The parabola will compress and become wider.

Answer

The parabola will be reflected over the x-axis.

Question 10

What is the vertex for the equation in the graph:

Accepted Answer

(0, 8)

Answer

(-7.5, 0)

Answer

(8, 0)

Answer

(0, -7.5)

Question 11

What is the equation for the graph:

Accepted Answer

$$y=3x^2-5$$

Answer

$$y=-3x^2-5$$

Answer

$$y=-3x^2+5$$

Answer

$$y=3x^2+5$$

Question 12

What is the equation for the graph:

Accepted Answer

$$y=x^2-4$$

Answer

$$y=x^2+4$$

Answer

$$y=-4x^2+1$$

Answer

$$y=4x^2-1$$

Algebra Quadratic Equations

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