PRE ALGEBRA NOTTEEEESSSSS (im so cooked)

Formula for circumference

C= 3.14*d

Formula for Area

A=3.14*(r*r)

8+-8*-4/-2×10

-2

Remember if you got this wrong, the top and bottom for groups even if the parentheses aren’t shown.

-5*-5+-4/4+-3*-1

3

(Remeber! The top and bottom form groups even though parentheses arent shown)

calculate for circumference & area, The radius is 3.

18.84 and 28.26

Calculate for circumference and area, the radius is 7.

43.96 and 153.86

5(x+6)=40 solve

X=2

-5+2x=-17

X=-6

11=x/2-7

X=36

Square root of 36

6

Square root of 100

10

Square root of 0

0

Simplify the square root of 75

5* the square root of 3

Simplify the square root of 24

2* the square root of 6

Simplify the square root of 120

2* the square root of 30

2 to the power of 0

1

(Hint! Every number to the power of zero is 1!)

M to the power of 0

1

8 to the power of 3

512

6 to the power of 2

36

Estimate the square root of 6 to the power of two and 7 to the power of two

9.2

Estimate the square root of 15

3.9

Estimate the square root of 4 to the power of two + 3 to the power of 2

5

Estimate the square root of 78

8.8

29 to the power of 1

29

5 to the power of 2

25

X to the power of 1

X

The square root of (x+1) to the power of 2

X+1

(SR= square root) (SR10) (SR10)

10

SR of X = 4

16

3SR of X = 5

125

X2 = 36

X= +-6

X3 =8

X=+-2

Evaluate f(2)

F(x) = 4x-3

5

Evaluate t to the power of 2/2 + t

F(-4)

4

What is the slope and Y-intercept?

Y/3 = x/6

Slope: ½ y-intercept: 0

5+y = 1+2x

Slope: 2 y-intercept: -4

y=4x+7

Slope: 4 y-intercept: 7

4x+2y =8

Y=-2x+4

y/2 -x = 4x-6

Y=10x - 12

Solve for delta x and y.

(4,5) and (9,2)

5, -3

Solve for delta x and y

(1,10) (4, 4)

3, -6

Solve for slope

Delta x= 5 and delta y=3

3/5

Solve for slope slope

Delta x= -12 delta y=-4

3

Solve for distance and slope

(0, 4) and (3, 0)

5 and -4/3

Solve for distance and slope

(3,0) and (4, -7)

5*SR of 2 and -7

Formula for distance

D= SR (delta x) to the power of two + (delta y) to the power of two

Formula for slope

Delta y / delta x

Solve the linear inequality

-3y+3x>0

y<x

-y/4+2x>= 5x

y <= -12x

0>5y -10x

Y<2x

Formula for pythagorean theorem

A to the power of 2 + b to the power of 2 = c to the power of 2

Solve

X= square root of 369

Solve

X=8.5

Solve

X=75

Solve

X=16

Solve

Yes

Solve

Yes

Solve

No

What is a coefficient?

A number paired with a variable

What is a variable?

A symbol often a letter in math problems

What is prime factorization of 56

2×2×2×7

5 to the power of two - 2 to the power of three

17

Solve

2, 20

Solve

3,6

Simplify the square root of 48

4* the square root of 3