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Exam Study Guide

Study Guide Questions

QuestionAnswer
The number before a variable coefficient
the factor in an exponential expression base
the number that indicates the number of times that the factor is multiplied in an exponential expression exponent
Distribute: -3(x-2) -3x+6
Distribute: 2(3x-5) 6x-10
a base with an exponent of 1 is equal to..... itself
A base with an exponent of 0 is equal to ... 1
To change a fraction to a decimal, ____________ the _____________ by the ___________________. divide the numerator by the denominator
To change a decimal to a percent, move the decimal _____________ (or __________ by 100). move the decimal two places to the right or multiply by 100
To change a percent to a decimal, move the decimal _______________ (of __________ by 100). move the decimal two places to the left or divide by 100
State the Order of Operations Parentheses, Exponents, Multiply/Divide, Add/Subtract
A _________________ number can be expressed as a decimal that repeats or terminates. Rational Number
A _________________ number can be expressed as a decimal that does not repeat or does not terminate. Irrational Number
The square root of a value times the square root of a value is the value
When trying to find a missing leg length on a right triangle, you always have to _______________ when applying the Pythagorean Theorem. Square them, Subtract them, Take the Square Root
When trying to find a missing hypotenuse in a right triangle, you always have to _____________ when applying the Pythagorean Theorem. Square them, Add them, Take the Square Root
When adding integers, if the signs are the same, you ______________________. add and keep the sign.
When adding integers, if the signs are the opposite, you ______________. Subtract and take the sign of the larger number
When subtracting integers, first _________________________, then refer to your rules for ___________________ integers. Add the opposite and follow addition rules
If you multiply or divide numbers that have the same sign, the answer will be... positive
If you multiply or divide numbers that have different signs, the answer will be... negative
If you solve an equation where the variables eliminate and you get a true statement, your answer is... all real numbers
If you solve an equation where the variables eliminate and you get a false statement, your answer is... no solution
In a scatter plot, if most of the data increases from left to right, the correlation is.... positive
In a scatter plot, if most of the data decreases from left to right, the correlation is... negative
In a scatter plot, if the data doesn't increase or decrease from left to right, the data has... no correlation
A line very close to most of the data points in a scatter plot is called... line of best fit, best fit line, linear regression
An arrangement of numbers is called a.... matrix
Matrices are named... row x column
A relation in which each x-value has exactly one y-value is called a ... function
Graphs are functions if they pass the... vertical line test
Equations are linear if... all the exponents on the variables are 1
Graphs are linear equations if.... they form lines
If you subtract the highest value and lowest value in a set of data, you found the... range
The number in the middle of a set of data when the values are arranged in either increasing or decreasing order is called... median
The average of a set of data once the values are added and then divided by the total number of values is called the... mean
The data with the highest frequency is called the.. mode
Evaluate: 5^-2 1/25
Evaluate: 3(4)^2 Do you multiply first or square 4 first? Square 4, then multiply by 3.. 48
Evaluate: -(3)^2 Is the answer -9 or +9 -9 because the negative is outside the parentheses
Created by: bizkit13egr