Evaluating and Writing Algebraic Expressions

Writing Algebraic Expressions

100

The sum of 8 and a

8+a

a+8

200

The product of b and 25

25b

300

The quotient c and 17

c/17

400

Subtract 11 from the product of 7 and d

7d - 11

500

9 times the sum of 18 and e

9(18+e)

Evaluating Algebraic Expressions

100

x + 6; x=19

25

200

7f; f=8

56

300

y/4 + 8; y=16

12

400

3g-9; g=3

0

500

38+11j; j=2

60

Formulas

100

Area of a rectangle:

A=lw

l=7; w = 13

91 square units

200

Area of a square

s^2; s=8

64 square units

300

Area of a Parallelogram:

A=bh; b=10, h=2

20 square units

400

Area of a Triangle

A=1/2bh; b=3, h=4

6 square units

500

Area of a Trapezoid:

A=1/2h(b^1+b^2)

h=3, b^1=3, b^2=7

15 square units

Algebraic Terms

100

k+2

sum

200

8-m

difference

300

99b

product

400

t/34

quotient

500

In the product 9r, the 9 is the ____, and the r is the _____

9 is the coefficient. r is the variable

Evaluate with Exponents

100

2^3 + c

c=16

24

200

5x^2

x=4

80

300

10z^2-30

z=3

60

400

3d^2-5d+11

d=2

13

500

7x^2+4x+23

x=5

218