Quiz about Unit 11 Quiz

Question 1

Solve each equation by factoring:

$$n^2-9n+14=0$$

Accepted Answer

[2, 7]

Answer

[2, -1]

Answer

[-2, -5]

Answer

[8, 0]

Question 2

Solve each equation by factoring:

$$a^2=-a+30$$

Accepted Answer

[5, -6]

Answer

[-1, -2]

Answer

[-7, 6]

Answer

[4, -5]

Question 3

Solve each equation by factoring:

$$p^2-4p=12$$

Accepted Answer

[6, -2]

Answer

[-3, -1]

Answer

[7, 6]

Answer

[-2, 2]

Question 4

Solve each equation by factoring:

$$n^2+7n=-12$$

Accepted Answer

[-3, -4]

Answer

[-3, 3]

Answer

[2, 0]

Answer

[3, -1]

Question 5

Solve each equation by taking square roots:

$$5n^2+2=12$$

Accepted Answer

$$\pm\sqrt[]{2}$$

Answer

No solution

Answer

$$\pm12\frac{1}{3}$$

Answer

$$\pm\frac{\sqrt{2}}{3}$$

Question 6

Solve each equation by taking square roots:

$$2p^2-8=154$$

Accepted Answer

$$\pm\ 9$$

Answer

[9]

Answer

$$\sqrt[]{58}$$

Answer

$$\pm\ 2\sqrt[]{13}$$

Question 7

Solve each equation with the quadratic formula:

$$2n^2=-2n+1$$

Accepted Answer

$$\frac{-1\pm\sqrt[]{3}}{2}$$

Answer

$$\ \frac{5\pm\sqrt[]{337}}{12}$$

Answer

$$\pm\ 2$$

Answer

No solution

Question 8

Solve each equation with the quadratic formula:

$$6p^2+1=3p$$

Accepted Answer

No solution

Answer

[10, -4]

Answer

[3, -7]

Answer

[3, -1]

Question 9

Solve the equation using the quadratic formula:

$$x^2=-4x+14$$

Accepted Answer

$$-2\pm\ 3\sqrt[]{2}$$

Answer

$$\frac{-1\ \pm2\sqrt[]{14}}{5}$$

Answer

$$\frac{3\pm\ \sqrt[]{51}}{7}$$

Answer

No solution.

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