Math skills

Question 1

Which side will be bigger?

The side opposite an an angle of 46

The side opposite an angle of 44

Answer 1

The side opposite an angle of 46: The length of a side opposite a greater angle is greater than the length of a side opposite a smaller angle

Question 2

Average =

Answer 2

sum of terms

number of terms

Question 3

5! =

Answer 3

5 x 4 x 3 x 2 x 1 = 120

Question 4

4^-4=

Answer 4

(1/4)⁴= 0.0039

Question 5

a 45-45-90 triangle has what triangle ratio?

Answer 5

1:1:√2 *√2 is the hypotenuse

Question 6

The volume of a cylinder, with radius and a height is what?

Answer 6

πr²h

Question 7

How would you write out in an equation: the volume of can B as a percent of the volume of can A

Answer 7

Volume of can B

Volume of can A

Question 8

x²=9 is what?

Answer 8

x=3

OR

x= -3

Question 9

what is the formula for area of a triangle?

Answer 9

Area of Triangle = 1/2 x base x height

Question 10

Combination formula =?

Answer 10

_nC_k = n!/ k! (n-k)!

Question 11

slope =

Answer 11

rise

run

Question 12

slope = rise/run =

Answer 12

y₂-y₁

x_2-x₁

Question 13

standard form of a line

Answer 13

y = mx + b

Question 14

in the standard form of a line m =

Answer 14

slope

Question 15

in the standard form of aline, b is the..

Answer 15

y-intercept

Question 16

speed =

Answer 16

distance

time

Question 17

If the slope of a line that is perpendicular to line M is the negative reciprocal of the slope of line M

so if the slope is -3 and you want the slope of line perpendicular it will be:

Answer 17

-(1/-3) = 1/3

Question 18

Formual for permutation:

Answer 18

_nP_k= n!/ (n-k)!

Question 19

Rate=

Answer 19

quanity A/quanity B

Question 20

% Increase

Answer 20

= New Amount -Original Amount

Original Amount

x 100%

Question 21

% Decrease=

Answer 21

Original Amount - New Amount

Original amount

x 100%

Question 22

The two most common right triangle ratios are:

Answer 22

3: 4:5 and
5: 12:13

Question 23

a 45: 45: 90 triangle has a sides of what?

Answer 23

x: x : √2

Question 24

a 30: 60: 90 triangle has sides of what?

Answer 24

x: x√3: 2x

Question 25

x • x =

Answer 25

x²

Question 26

x^-a =

Answer 26

1

x^a

Question 27

x⁰ =

Answer 27

1

Question 28

x^ax^b=

Answer 28

x^a+b

Question 29

(x^a)^b =

Answer 29

x^ab

Question 30

x^a

x^b

=

Answer 30

x^a-b

Question 32

(negative) ^odd=

Answer 32

negative

Question 33

(negative)^even =

Answer 33

positive

Question 34

√a + √b =

Answer 34

√ab

Question 35

√a

√b

=

Answer 35

√a/b

Question 36

a√c + b√c =

Answer 36

(a + b)√c

Question 37

√a + √b NOT EQUAL TO..

Answer 37

√a + b

Question 38

(√a)² =

Answer 38

a

Question 39

Work Formula

T =

Answer 39

ab

a + b

Question 40

Volume of a cylinder

Answer 40

= πr²h

Question 41

Volume of a rectangle solid =

Answer 41

l•w•h

Question 42

Surface area of of a cylinder

Answer 42

2πr² + 2πrh

Question 43

Surface area of a rectangle solid =

Answer 43

2( lw + lh + wh)