TEST 1 PREP MATH 1101

2.1

100

Solve for X

2x+8=-x-1

X=-3

200

Solve for π 

C=2πr

π=C/2r

300

Find 3 consecutive intergers whose sum is 267

88,89,90

400

Jaylen's mean cost him $43.25 not including a tip. He wants to tip his waiter a 27% tip. 

How much was the tip?

How much should he pay in total?

$11.68 tip

$54.93 total

500

Solve for H

V=1/3 S²H

h=3V/S²

2.2

100

≤, ≥: Brackets or Parenthesis

[ , ]

200

rewrite as interval notation

X|X>23

(23,∞)

300

Solve and put in interval notation

X+13≥1+4x

X≤3

(-∞,3]

400

Solve and include interval notation

-6(y-5)≤90 or 15+y<23

y≥-10 or y<8

(-∞,∞)

500

Solve absolute and put into interval notation

-3|x-5|+15<-15

(-∞,-5) U (15,∞)

2.3

100

Simplify the following √32

4√2

200

Factor by GCF

25x³y-15x²-40x⁴y

-5x²(8x²y-5xy+3)

300

Factor by grouping

3X³+X+18X²+6

(X+6)(3X²+1)

400

Solve and Find the X values

X²-16X=-48

X=12, X=4

500

Solve using quadratic Formula

X²+3X-10

X=2 or X=-5

2.5

100

What is the Zero exponent rule X⁰

X⁰=1

200

Convert to scientific notation

1267800

1.2678 • 10⁶

300

Multiply

(3x)•(7x²+5x-9)

21x³+15x²-27x

400

Add the equation

(15+XY²+X⁴Y-3Y) + (3X⁴Y-19+3X-3XY²)

-2X²Y+4X⁴Y+3X-3Y-4

500

Find the restricted values of X

-3/7x-3

x=3/7

2.6

100

Simplify the expression 128^9/7

512

200

Solve the radical

√-2x-4  +  2=4

x=-4

300

Solve the radical equation

√6x-10   = 8

37/3

400

⁴√6y-8  =1⁴ 

y=3/2

500

Solve for x

√7x²-23x+16   + 4=4x

x=0, x=1