math midterm 2015

Question 0

1,2,3,4,…,infinity

Answer 0

Natural

Question 1

Numbers are divided into eight categories. List them

Answer 1

Natural, whole, integer, rational, irrational, real, imaginary, and prime

Question 2

Symbol for Natural numbers

Answer 2

N

Question 3

0, 1, 2, 3,…, Infinity

Answer 3

Whole

Question 4

What is the symbol for whole numbers

Answer 4

W

Question 5

-infinity,….., -2, -1, 0, 1, 2,…..Positive infinity

Answer 5

Integer

Question 6

What is the symbol for integer

Answer 6

Z

Question 7

Fractions whose decimals either terminate or repeat

Ex) .25 or .7777777778

Answer 7

Rational

Question 8

What is the symbol for a rational numbers

Answer 8

Q

Question 9

Fractions is decimals do not repeat or terminate

Answer 9

Irrational

Question 10

All numbers except imaginary numbers

Answer 10

Real numbers

Question 11

Numbers containing an ℹ️

Answer 11

Imaginary

Question 12

ℹ️equals the _________ and ℹ️squared equals ___

Answer 12

square root of negative one; -1

Question 13

Number is divisible by one and itself

Answer 13

Prime numbers

Question 14

In the product rule you blank like bases and blank exponents

Answer 14

Multiply; Add

Question 15

In the quotient rule you blank like bases and blank exponents

Answer 15

Divide; Subtract

Question 16

In what rule did you multiply the powers (exponents)

Answer 16

Power rule

Question 17

When you have a negative exponent, what do you do to make it positive

Answer 17

Change floors

Question 18

With a blank, the denominator goes to the hoopy-hoo and the numerator becomes the power

Answer 18

Rational exponents

Question 19

With a zero exponent, anything raised to the zero power is

Answer 19

One

Question 20

What is Valentine’s Day and St. Patrick’s Day

Answer 20

The square root of two equals 1.4

The square root of three equals 1.7

Question 21

To add and subtract fractions what do you do

Answer 21

Find common denominator and add the numerator

Question 22

To multiply fractions…

Answer 22

You multiply across the numerator and the denominator her and simplify your answer

Question 23

How do you divide fractions

Answer 23

When dividing fractions don’t ask why flip the second and multiply

Question 24

What is the acronym for changing improper fractions to mix numbers

Answer 24

MA! (multiply up to the left, add up to the right)

Question 25

How do you change improper fractions to mixed numbers

Answer 25

Divide the numerator by the denominator, put the remainder over the denominator

Question 26

What is the base form of scientific notation

Answer 26

a x 10^n

Question 27

In scientific notation, "a" must be between……

Answer 27

One and nine

Question 28

If the exponent is positive, move the decimal to…

Answer 28

The right

Question 29

Is the exponent is negative, move the decimal to…

Answer 29

The left

Question 30

Change scientific notation to a blank when you can

Answer 30

Decimal

Question 31

Logx y=b means

Answer 31

x^b=y

Question 32

Log32=5 means x^5=32 and solve

Answer 32

x^5=2^5 | x=2

Question 33

If a variable is in the exponent, Find blank and set the blank equal

Answer 33

Like bases; exponents

Question 34

A line equals

Answer 34

180°

Question 35

All triangles are

Answer 35

180°

Question 36

Supplementary angles equal

Answer 36

180°

Question 37

Circles equal

Answer 37

360°

Question 38

A right angle equals

Answer 38

90°

Question 39

Complementary angles equal

Answer 39

90°

Question 40

To find the interior angle measure of a polygon use this formula

Answer 40

(n -2) x 180°

Question 41

The "n" in the interior angle measure of a polygon formula represents

Answer 41

The number of sides of a polygon

Question 42

P equals; A equals; C equals; r equals; d equals; h equals; L equals; w equals

Answer 42

P = perimeter; A = area; C = circumference; r = radius; d = diameter; h = height; L = length; w = width

Question 43

Which triangle has two equal sides and two equal angles

Answer 43

Isosceles triangles

Question 44

If two sides of an isosceles triangle are congruent, the two opposite blank are also congruent

Answer 44

Angles

Question 45

Which triangle has three equal sides

Answer 45

Equilateral

Question 46

In an equilateral triangle, all angles equal

Answer 46

60°

Question 47

Only use pythagorean theorem in _____ triangles to find the _________

Answer 47

Right; missing side length

Question 48

What is the Pythagorean theorem formula

Answer 48

a^2 + b^2 = c^2

Question 49

A and B represent blank and form blank

Answer 49

The legs of a triangle; right angle

Question 50

C represents blank which is the side opposite of the blank

Answer 50

Hypotenuse; right angle

Question 51

Three numbers his lengths can form a right angle

Answer 51

Pythagorean triples

Question 52

What are the three most common Pythagorean triples

Answer 52

3–4–5, 5–12–13, 7–24–25

Question 53

What are the two special right triangles

Answer 53

45 – 45 – 90, and 30 – 60 – 90

Question 54

In a 45-45-90 triangle the legs are blank in the hypotenuse is blank

Answer 54

S; S x square root of two

Question 55

In a 30-60-90 triangle, the short leg equals blank, the long leg equals blank, and the hypotenuse equals blank

Answer 55

S; S x square of three; 2S

Question 56

What is the standard form of linear equations

Answer 56

Ax + By = C

Question 57

How do you graph a linear equation

Answer 57

Find the intercepts

Question 58

How do you find the intercepts of linear equations

Answer 58

To solve for the X intercept, plug zero in for y. | To solve for the Y intercept, plug zero in for x.

Question 59

What is the most common form of linear equations

Answer 59

Slope intercept: y = mx + b

Question 60

How do you graph slope intercept

Answer 60

Plot the Y intercept and you slope to find the second point

Question 61

What does m represent in slope intercept

Answer 61

Slope

Question 62

What does B represent and slope intercept

Answer 62

Y intercept

Question 63

What is the formula for slope

Answer 63

M= y2 - y1 divided by x2 - x1

Question 64

What is the midpoint formula

Answer 64

(x2 + x1 / 2, y2 + y1 / 2)

Question 65

What is the distance formula

Answer 65

D = square root of (y2 - y1)^2 + (x2 - x1)^2

Question 66

What is the formula for a parabola

Answer 66

y = x^2

Question 67

What is the equation of a circle

Answer 67

(x - h)^2 + (y - k)^2 = r^2

Question 68

What do H and K represent in the formula of a circle

Answer 68

(H, K) = center of the circle

Question 69

What is the acronym for remembering trig functions

Answer 69

SOHCAHTOA

Question 70

Sin theta =

Answer 70

Opposite over hypotenuse

Question 71

Cos theta =

Answer 71

Adjacent over hypotenuse

Question 72

Tan theta =

Answer 72

Opposite over adjacent

Question 73

What are the Pythagorean identity equation

Answer 73

sin^2 theta + cos^2 theta = 1 tan^2 theta – sec^2 theta = 1 csc^2 theta – cot^2 theta = 1

Question 74

Which is better math or English

Answer 74

English