A2: Unit 3 Section 5 Square Roots

A2: Unit 3 Section 5 Square Roots

Multiple Choice

What is the answer to 14?

• $\frac{4}{9}i$

• $-\frac{4}{9}i$

Multiple Choice

What is the answer to 16?

• $-\frac{23}{3}$

• $\frac{1}{3}-\frac{4}{3}i$

• $-\frac{1}{3}+\frac{4}{3}i$

• $-\frac{25}{3}$

Multiple Choice

What is the correct answer to question 2 on solving quadratics by square roots?

• $x=\pm7$

• $x=1$

• $x=7$

• $x=\pm1$

Multiple Choice

What is the answer to question 4?

• $x=\pm2$

• $x=\sqrt{2}$

• $x=\pm\sqrt{2}$

Multiple Choice

What is the answer to question 6?

• $x=\pm2\sqrt{3}$

• $x=\pm4\sqrt{3}$

Multiple Choice

What is the answer to question 8?

• $x=2$

• $x=2i$

• $x=\pm2i$

Multiple Choice

What is the answer to 10?

• $x=\pm2\sqrt{3}$

• $x=2\sqrt{3}$

• $x=\pm2i\sqrt{3}$

• $x=\pm2\sqrt{3i}$ (that i is UNDER the radical)

Multiple Choice

What is the answer to question 12?

• $x=\pm3i\sqrt{3}$

• $x=3\sqrt{9}$

• $x=\pm3i$

• $x=\pm9i\sqrt{3}$

No Classwork today

Tomorrow before we start the notes we will do a short quizizz to practice solving to make sure we are okay.