A1 Error Analysis Week of 9.13

A1 Error Analysis Week of 9.13

by Jamal Bogle

Poll

Which exponent rule is this?

• Raising a power to a power

• Multiplying Powers

• Negative Exponents

Poll

What will you do with the coefficients?

• Add the coefficients

• Multiply the coefficients

Poll

Which exponent rule is this?

• Raising a power to a power

• Multiplying Powers

• Negative Exponents

Poll

What will happen to the exponents inside the parenthesis?

• They get added by 2

• They get raised to the second power

• They get multiplied by 2

Poll

What's the exponent of "y" in this expression?

• 2

• 1

• 0

Poll

What's the best first step towards solving for "z"?

• Add 22 and -20

• Add -22 and -20

• Multiply 10 and -20

• Subtract 20 and 22

Poll

What's the best first step towards solving for "z"?

• Subtract 3 from 6

• Add 6 and 6

• Divide 3 and 6

Poll

Same or different $$-3^2$$   and $$\left(-3\right)^2$$  

• Same

• Different

An exponent on the outside of the parenthesis raises everything in the parenthesis to that power.

​"Parenthesis includes the sign"

Multiple Choice

What's the best first step to solve for "b"?

• Subtract 14 and 17

• Add 8 and 17

• Add 14 and 17

Multiple Choice

$$2^3$$  

• 6

• 8

• 9

Multiple Choice

$$-5^2$$  

• 25

• -25

• -10

Multiple Choice

$$\left(-8\right)^2$$  

• 64

• 16

• -64

Multiple Choice

What's the best first step to solve for "c"?

• Subtract 29 and -49

• Add 29 and -49

• Subtract -29 and -49

Multiple Choice

$$2x\ +\ 3\ =\ 9$$  

• 6

• 3

• 4

Multiple Choice

$$\frac{x}{3}\ +\ 2\ =\ -5$$  

• 9

• 13

• -21

Multiple Choice

$$9^2$$  

• 18

• 81

• 11

Multiple Choice

• 35

• 11

• 0

Multiple Choice

$$-7^2$$  

• 14

• -49

• 9

Multiple Choice

• 26

• 35

• 31

Multiple Choice

$$\left(-4\right)^2$$  

• -8

• -16

• 16

Multiple Choice

• $$v^6$$  

• 6 + v

• 6v

Multiple Choice

• 3t + 4v

• $$t^3\ +\ v^4$$  

• 7tv

Multiple Choice

If 3 + 2x = 9, then 2x = ?

• 5

• 6

• 12

Multiple Choice

$$\left(2x^2y\right)\left(3x^3y^4\right)$$  

• $$5x^5y^4$$  

• $$6x^5y^4$$  

• $$6x^5y^5$$