Lesson: Evaluating Expressions

Evaluating Expression

Math Response

1. Evaluate the expression

3. $$7x+4y\$$

if x=5 and y=-3

Type answer here

Correct Answer: 23

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$9a^2-2b^2$$

if a=4 and b=7

Type answer here

Correct Answer: 46

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$4m^2+5m$$

if m=-2

Type answer here

Correct Answer: 6

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\left(8c-d\right)\div cd$$

if c=2 and d=4

Type answer here

Correct Answer: -40

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\left(ab\right)^2-4b^3+1$$

if a=3 and b=2

Type answer here

Correct Answer: 5

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$2\left|r\right|-3rs$$

if r=-5 and s=4

Type answer here

Correct Answer: 70

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\left(w-v\right)^2+2v-7w$$

if w=-4 and v=1

Type answer here

Correct Answer: 55

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\frac{2}{3}x^2-5x+8$$

if x=6

Type answer here

Correct Answer: 2

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$3c^2-cd+7d^2$$

if c=-3 and d=-2

Type answer here

Correct Answer: 49

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\sqrt[]{3p-q}-p^2+pq$$

if p=10 and q=14

Type answer here

Correct Answer: 44

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\frac{2ab}{7b-a^2b}$$

if a=3 and b=12

Type answer here

Correct Answer: -3

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\frac{m^4-m^2n^2}{2m-2n}$$

if m=2 and n=-9

Type answer here

Correct Answer: -14

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\frac{28-4y^2}{xy-2x^2}$$

if x=-8 and y=-5

Type answer here

Correct Answer: \frac{9}{11}

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\frac{r^2s^2-22}{r^2-\left(s^3+5r\right)}$$

if r=7 and s=2

Type answer here

Correct Answer: 29

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$\frac{3}{4}c-\frac{1}{6}d$$

if $$c=\frac{2}{9}$$ and d=-4

Type answer here

Correct Answer: \frac{5}{6}

Deg^°

Rad

Math Response

1. Evaluate the expression

3. $$5x^2-10x+3$$

if $$x=\frac{1}{4}$$

Type answer here

Correct Answer: \frac{13}{16}

Deg^°

Rad