Equivalent Expressions Lesson Slides: 2 Slides (Grade 9)

2 Slides • 5 Questions

1

Equivalent Expressions

2

Equivalent means the same:

Change all variables to X's
Graph the problem
Graph and Match the answer choices
Verify 2-3 Points (zoom in)

Also works for Simplifying Exponential Expressions (Multiple Choice)

Graph
Equation
Points
Table

3

Multiple Choice

Which expression is equivalent to $\left(2m^4\right)\left(5m^8\right)$ ?

1

$7m^{12}$

2

$10m^{12}$

3

$7m^{32}$

4

$10m^{32}$

4

Multiple Choice

Which expression is equivalent to $\sqrt[]{75}$ ?

1

$5\sqrt[]{3}$

2

$15\sqrt[]{5}$

3

$3\sqrt[]{5}$

4

$5\sqrt[]{15}$

5

Multiple Choice

Which expression is equivalent to $\left(z+5\right)\left(z^2-4z+6\right)$ ?

1

$z^3+5z^2+6z+30$

2

$z^2+z+11$

3

$z^3+z^2-14z+30$

4

$z^2-3z+11$

6

Multiple Choice

Which expression is equivalent to $\frac{x^{-6}y^4}{x^3y}$ for all values of x and y where the expression is defined?

1

$\frac{y^3}{x^9}$

2

$\frac{y^4}{x^9}$

3

$\frac{y^5}{x^3}$

4

$\frac{y^4}{x^2}$

7

Multiple Choice

Which expression is equivalent to $k^2-5k-6$

1

(k-1)(k+6)

2

(k-3)(k+2)

3

(k-6)(k+1)

4

(k-2)(K+3)

Equivalent Expressions

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