Quiz about Day 6 Quiz

Question 1

Solve the quadratic equation by factoring: $$x^2 - 5x + 6 = 0$$

Accepted Answer

$$x = 2$$ or $$x = 3$$

Answer

$$x = -2$$ or $$x = -3$$

Answer

$$x = 1$$ or $$x = 6$$

Answer

$$x = -1$$ or $$x = -6$$

Question 2

Which of the following graphs represents the quadratic function $$y = x^2 - 4x + 3$$ ?

Accepted Answer

![Graph B](graph_b.png)

Answer

![Graph A](graph_a.png)

Answer

![Graph C](graph_c.png)

Answer

![Graph D](graph_d.png)

Question 3

Identify the quadratic function from the table below: | x | y | |---|---| | 0 | 1 | | 1 | 4 | | 2 | 9 | | 3 | 16 |

Accepted Answer

$$y = x^2$$

Answer

$$y = x + 1$$

Answer

$$y = x^2 + 1$$

Answer

$$y = 2x + 1$$

Question 4

Solve the quadratic equation by factoring: $$x^2 + 3x - 4 = 0$$

Accepted Answer

$$x = -4$$ or $$x = 1$$

Answer

$$x = 4$$ or $$x = -1$$

Answer

$$x = -2$$ or $$x = 2$$

Answer

$$x = -3$$ or $$x = 4$$

Question 5

Which of the following graphs represents the quadratic function $$y = -x^2 + 2x + 3$$ ?

Accepted Answer

![Graph C](graph_c.png)

Answer

![Graph A](graph_a.png)

Answer

![Graph B](graph_b.png)

Answer

![Graph D](graph_d.png)

Question 6

Identify the quadratic function from the table below: | x | y | |---|---| | -1 | 6 | | 0 | 3 | | 1 | 2 | | 2 | 3 |

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 7

Solve the quadratic equation by factoring: $$x^2 - 7x + 10 = 0$$

Accepted Answer

$$x = 2$$ or $$x = 5$$

Answer

$$x = -2$$ or $$x = -5$$

Answer

$$x = 1$$ or $$x = 10$$

Answer

$$x = -1$$ or $$x = -10$$

Question 8

Which of the following graphs represents the quadratic function $$y = 2x^2 - 3x + 1$$ ?

Accepted Answer

![Graph A](graph_a.png)

Answer

![Graph B](graph_b.png)

Answer

![Graph C](graph_c.png)

Answer

![Graph D](graph_d.png)

Question 9

Identify the quadratic function from the table below: | x | y | |---|---| | -2 | 7 | | -1 | 2 | | 0 | -1 | | 1 | 0 | | 2 | 7 |

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 10

Which equation best represents the graph?

Accepted Answer

y = -2(x + 4)² + 5

Answer

y = 2(x - 4)² + 5

Answer

y = 2(x + 4)² + 5

Answer

y = -2(x - 4)² + 5

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