# Study sets matching "act prep math"

Adjacent

average

circumference

coordinate

near or close to but not necessarily touching

relating to or constituting the middle value of an ordered set…

The distance around a circle.

a number that identifies a position relative to an axis

Adjacent

near or close to but not necessarily touching

average

relating to or constituting the middle value of an ordered set…

Pythagorean triplets

Special Right Triangle Ratios

Reading Approach

How to approach an overall question in…

3, 4, 5... 5, 12, 13... 7, 24, 25... 8, 15, 17

30-60-90: x, x√3, 2x... 45-45-90: x, x, x√2

Passages: 4, 2, 3, 1... Read the question and clarify it removing…

Read the question and clarify it removing any ambiguous or con…

Pythagorean triplets

3, 4, 5... 5, 12, 13... 7, 24, 25... 8, 15, 17

Special Right Triangle Ratios

30-60-90: x, x√3, 2x... 45-45-90: x, x, x√2

Isosceles Triangle

Equilateral Triangle

Right Triangle

Pythagorean Theorem

Has two equal sides. The angles opposite to those sides are al…

Has three equal sides and three equal angles. All the angles a…

Has one inside angle that equals 90•. The longest side is call…

a2+b2=c2

Isosceles Triangle

Has two equal sides. The angles opposite to those sides are al…

Equilateral Triangle

Has three equal sides and three equal angles. All the angles a…

Positive/Negative Numbers

set

rational numbers

Irrational numbers

Positive x Positive = positive ... positive x negative = negative…

group of numbers that have a common property

integers, fractions, and decimals--positive and negative

pi, roots like root 3, root 2, cannot be expressed as fraction…

Positive/Negative Numbers

Positive x Positive = positive ... positive x negative = negative…

set

group of numbers that have a common property

independent probability

quadratic formula

if the discriminant is positive...

if the discriminant is negative

multiply the probability of each of the events together

then there are two real numbers

then you will have two complex solutions of the form (a+bi)

independent probability

multiply the probability of each of the events together

quadratic formula

How many questions are on the Math test?

How many subscores are on the Math test?

2) What are the subscores?

What is the benchmark score for Math to…

60

3

1) Pre-Algebra... Elementary Algebra (Algebra I)... 2) Intermediate…

22

How many questions are on the Math test?

60

How many subscores are on the Math test?

3

Area of a rectangle formula

Perimeter of a rectangle formula

Area for a trapezoid formula

Area of a triangle formula

L x W... Ex: The Length of a rectangle is 4 and the width is 3.…

2length + 2width = Perimeter... Ex: the length of a rectangle is…

(base1 + base2) x 1/2height... EX: The top base is 4, the bottom…

1/2 (base)(height)... Ex: The triangle is 6 inches tall with a ba…

Area of a rectangle formula

L x W... Ex: The Length of a rectangle is 4 and the width is 3.…

Perimeter of a rectangle formula

2length + 2width = Perimeter... Ex: the length of a rectangle is…

quadratic formula

slope formula

rationals

order of operations

[-b ± √(b² - 4ac)] / (2a)

(y2- y1) / (x2- x1)

fractions (anything expressible as a ratio of integers)

PEMDAS (Parentheses (grouping symbols - inside to outside) / E…

quadratic formula

[-b ± √(b² - 4ac)] / (2a)

slope formula

(y2- y1) / (x2- x1)

Average

Area

Base

Coefficient

Average = sum of terms / number of terms

The number of square units needed to cover a flat surface

The bottom side of a geometric figure

A number in front of a variable, A number multiplied by a vari…

Average

Average = sum of terms / number of terms

Area

The number of square units needed to cover a flat surface

quadratic formula

slope formula

rationals

order of operations

[-b ± √(b² - 4ac)] / (2a)

(y2- y1) / (x2- x1)

fractions (anything expressible as a ratio of integers)

PEMDAS (Parentheses (grouping symbols - inside to outside) / E…

quadratic formula

[-b ± √(b² - 4ac)] / (2a)

slope formula

(y2- y1) / (x2- x1)

The arithmetic mean is the ____________

The median is the ___________ number in…

The mode is the most _________ number i…

A square inscribed in a circle has a di…

average

middle

frequent

diameter, radii

The arithmetic mean is the ____________

average

The median is the ___________ number in…

middle

AVERAGE

AREA

BASE

COEFFICIENT

Average = sum of terms / number of terms

The number of square units needed to cover a flat surface

The bottom side of a geometric figure

A number in front of a variable, A number multiplied by a vari…

AVERAGE

Average = sum of terms / number of terms

AREA

The number of square units needed to cover a flat surface

quadratic formula

slope formula

rationals

order of operations

[-b ± √(b² - 4ac)] / (2a)

(y2- y1) / (x2- x1)

fractions (anything expressible as a ratio of integers)

PEMDAS (Parentheses (grouping symbols - inside to outside) / E…

quadratic formula

[-b ± √(b² - 4ac)] / (2a)

slope formula

(y2- y1) / (x2- x1)

steps for math problems

picking numbers

backsolving

prime factorization

1. what is the question... 2. what info is given... 3. what strategy…

fractions/percents = 100... even = 2... odd = 5

plug answers into question starting with middle answer

keep breaking down number until all factors are prime numbers…

steps for math problems

1. what is the question... 2. what info is given... 3. what strategy…

picking numbers

fractions/percents = 100... even = 2... odd = 5

SOHCAHTOA

PEMDAS

FOIL

irrational number

SOH= sine= opposite/hypotenuse ... CAH= cosine=adjacent/hypotenus…

Parentheses Exponents Multiplication Division Adding Subtracti…

First Outside Inside Last

square root of 3,2,and pi

SOHCAHTOA

SOH= sine= opposite/hypotenuse ... CAH= cosine=adjacent/hypotenus…

PEMDAS

Parentheses Exponents Multiplication Division Adding Subtracti…

When back-solving, it is best to start…

How do you find the number of consecuti…

An integer is divisible by two if

An integer is divisible by four if

middle

subtract the smallest from the largest and add one

the last digit is even

the last two digits form a multiple of four

When back-solving, it is best to start…

middle

How do you find the number of consecuti…

subtract the smallest from the largest and add one

quadratic formula

slope formula

rationals

order of operations

[-b ± √(b² - 4ac)] / (2a)

(y2- y1) / (x2- x1)

fractions (anything expressible as a ratio of integers)

PEMDAS (Parentheses (grouping symbols - inside to outside) / E…

quadratic formula

[-b ± √(b² - 4ac)] / (2a)

slope formula

(y2- y1) / (x2- x1)