Review

Identify real numbers

100

3

natural number, integer, rational number, real number

200

3/5

rational number, real number

300

.3144^-

rational number, real number

400

7.2347654...

not a real number

500

radical 36

natural number, integer, rational number, real number

adding polynomials

100

(3x+5)+(2x²+3x³-2)

3x³+2x²+3x+3

200

(3x³+4x-5)+(4x²+2x+10)

3x³+4x²+6x+5

300

(4x²+3+2x)+(5x³+5+3x)

5x³+4x²+5x+8

400

(4x⁵+3x-5)+(2x³-x-4)

4x⁵+2x³+2x-10

500

(4x³-4x+7)+(-2x³-2x²+2x-3)

2x³-2x²-2x+4

subtracting real numbers

100

4-7

3

200

3-(-3)

6

300

7-(-2)

9

400

2/4-1/4

1/4

500

-22-14

-36

order of operations

100

(4+3)+2²

11

200

2+2(3-1)

6

300

(2+2/2)+(4x2)

11

400

5²+(10-2x4)

27

500

3+3(4+1x2)-4

17

adding real numbers

100

-4+11

7

200

3+(-7)

-4

300

1.25+1.25

2.5 or 2.50

400

1/2+1/2

1

500

radical 25 + 5

10