Tri 1

Equations and inequalities

100

Solve 2n -9 = 5n + 6

n = -5

200

x/4  - 5 = 2/3 x  + 9 

x = -168/5

300

7n - 4 = 5 - 7n 

n =9/14

400

2 ( 3m - 9 ) = 6m + 1

No solution

500

Absolute value of (2x-1) > 5

x > 3 or x < -2

Functions

100

Name the function y = x

Linear

200

Name the function y = x²

Quadratic

300

True or false: the graph of a circle is a function

False

400

Name the function  y = 1/x

Reciprocal

500

True or false: the follow points make a function:

(4,5)  (2,5)  (7, -1)

True

Writing equations y = mx + b

100

m = -3 through (0,2)

y = -3x + 2

200

m = 2/3  through ( 2, -5)

y = 2/3 x -19/3

300

Through (2,5) and ( 5, 6)

y = x/3 - 13/3

400

Through (3, - 7) with zero slope

y = -7

500

Perpendicular to y = 5/3 x   through ( -6, 9)

y = -3/5 x + 27/5

Simplify radicals

100

Square root of ( 88)

2 square root s of (22)

200

3 square roots of (6) times 2 square roots of (2)

12 square roots of 3

300

Square root of (8n²) 

2n times the square root of 2

400

6 square roots of (3n) times 3 square roots of (3n)

54n

500

Square root of (i) times the square root of (i)

-1

SN

100

356000 in scientific notation

3.56 x 10⁵

200

7.6 x 10^-5 as a standard numeral

.000076

300

876 x 10² in scientific notation

8.76 x 10⁴

400

(9 x 10⁵)(3 x 10²) in scientific notation 

2.7 x 10⁸

500

( 4.5 X 10⁵) - (3 X 10³)

4.47 X 10⁵