Multiplying Polynomials - Unit 7 Lesson 2C

Authored by Jason Adams

Mathematics

9th Grade

Used 5+ times

Multiplying Polynomials - Unit 7 Lesson 2C

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17 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Page 11: Summary
When multiplying two of the same variables, we _ the coefficients (#s in front of the variables) and _ the exponents.

add / subtract

add / divide

add / multiply

subtract / divide

subtract / multiply

OPEN ENDED QUESTION

3 mins • Ungraded

Page 11: Summary
When adding or combining like terms, the exponents ___________.

Evaluate responses using AI:

OFF

OPEN ENDED QUESTION

3 mins • Ungraded

Page 12: #8
Express the product of $x\ +\ 5$ and $x\ +\ 5$ in standard form

Evaluate responses using AI:

OFF

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Page 13: #10a
$5x\left(3x\ -\ 10\right)$

$15x\ -\ 50x$

$15x\ -\ 50$

$15x^2\ -\ 50x$

$15x^2\ -\ 50$

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Page 13: #10b
$\left(2x\ -\ 6\right)\left(3x\ +\ 8\right)$

$6x^2+2x-48$

$6x^2-2x-48$

$6x^2-2x+48$

$6x^2+2x+48$

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Page 13: #10
$5x\left(3x\ -10\right)\ +\ \left(2x\ -\ 6\right)\left(3x\ +\ 8\right)$
Use the answers from the two previous questions to assist.

(a)

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Page 13: #11a
$\left(x^2+\ x\ +\ 1\right)\left(2x\ +\ 1\right)$

$2x^3+\ 3x^2+3x\ +1$

$2x^3+\ 2x^2+2x\ +1$

3x^2+3x\ +1

$2x^3-\ 3x^2-3x\ +1$

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Page 13: #11b
$-x\left(x\ -\ 1\right)$

$x^2+x$

$-x^2-x$

$-x^2\ +x$

$x^2-x$

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Page 13: #11
$(x^2+x+1)(2x+1)\ -\ x\left(x\ -1\right)$
Use the answers from the two previous questions to assist.

(a)

10.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Page 15 #10a
$\left(2x\ +3\right)\left(x\ +\ 2\right)$

$2x^2\ +\ 7x\ +6$

$2x^2\ +\ 3\ x\ +6$

$x^2\ +\ 7x\ +6$

$x^2\ +\ 3x\ +6$

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Multiplying Polynomials - Unit 7 Lesson 2C

Page 11: SummaryWhen multiplying two of the same variables, we ___________ the coefficients (#s in front of the variables) and ___________ the exponents.

Page 11: SummaryWhen adding or combining like terms, the exponents ___________.

Page 12: #8Express the product of x\ +\ 5x + 5 and x\ +\ 5x + 5 in standard form

Page 13: #10a 5x(3x − 10)5x\left(3x\ -\ 10\right)5x(3x − 10)

Page 13: #10b (2x − 6)(3x + 8)\left(2x\ -\ 6\right)\left(3x\ +\ 8\right)(2x − 6)(3x + 8)

Page 13: #10 5x(3x −10) + (2x − 6)(3x + 8)5x\left(3x\ -10\right)\ +\ \left(2x\ -\ 6\right)\left(3x\ +\ 8\right)5x(3x −10) + (2x − 6)(3x + 8) Use the answers from the two previous questions to assist. (a)

Page 13: #11a (x2+ x + 1)(2x + 1)\left(x^2+\ x\ +\ 1\right)\left(2x\ +\ 1\right)(x2+ x + 1)(2x + 1)

Page 13: #11b −x(x − 1)-x\left(x\ -\ 1\right)−x(x − 1)

Page 13: #11 (x2+x+1)(2x+1) − x(x −1)(x^2+x+1)(2x+1)\ -\ x\left(x\ -1\right)(x2+x+1)(2x+1) − x(x −1) Use the answers from the two previous questions to assist. (a)

Page 15 #10a (2x +3)(x + 2)\left(2x\ +3\right)\left(x\ +\ 2\right)(2x +3)(x + 2)

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Page 11: Summary
When multiplying two of the same variables, we _ the coefficients (#s in front of the variables) and _ the exponents.

Page 11: Summary
When adding or combining like terms, the exponents ___________.

Page 12: #8
Express the product of $x\ +\ 5$ and $x\ +\ 5$ in standard form

Page 13: #10a
$5x\left(3x\ -\ 10\right)$

Page 13: #10b
$\left(2x\ -\ 6\right)\left(3x\ +\ 8\right)$

Page 13: #10
$5x\left(3x\ -10\right)\ +\ \left(2x\ -\ 6\right)\left(3x\ +\ 8\right)$
Use the answers from the two previous questions to assist.

(a)

Page 13: #11a
$\left(x^2+\ x\ +\ 1\right)\left(2x\ +\ 1\right)$

Page 13: #11b
$-x\left(x\ -\ 1\right)$

Page 13: #11
$(x^2+x+1)(2x+1)\ -\ x\left(x\ -1\right)$
Use the answers from the two previous questions to assist.

(a)

Page 15 #10a
$\left(2x\ +3\right)\left(x\ +\ 2\right)$