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Numbers ✔Correct Answer-The basic building blocks of mathematics
Integers ✔Correct Answer-whole numbers and their opposites, includes zero, does not include
fractions
prime number ✔Correct Answer-A whole number that has exactly two factors, 1 and itself.
composite number ✔Correct Answer-A whole number greater than 1 that has more than two
factors.
The decimal or base 10 system ✔Correct Answer-is a number system that uses ten different digits
(0, 1, 2, 3, 4, 5, 6, 7, 8, 9).
Rational Numbers ✔Correct Answer-All positive and negative integers, fractions and decimal
numbers. Ant number that can be written as a fraction, any terminating or repeating decimals
irrational numbers ✔Correct Answer-Numbers that cannot be expressed as a ratio of two integers.
Their decimal expansions are nonending and nonrepeating.
real numbers ✔Correct Answer-All rational and irrational numbers, does not include imaginary
perfect square ✔Correct Answer-A rational number whose square root is a whole number
absolute value ✔Correct Answer-The distance a number is from zero on a number line. ALWAYS
POSITIVE
Making a decimal a fraction ✔Correct Answer-Let's say .24
-put 24 over 100
-then it reduces to 6/25
part=%(whole) ✔Correct Answer-For word problems
Percent Change Formula or Error ✔Correct Answer-Percent Change =(final value−initial
value)/initial value×100
Or
(amount of change)/(original amount)x 100
Dividing Fractions ✔Correct Answer-multiply by the reciprocal
scientific notation ✔Correct Answer-A method of writing or displaying numbers in terms of a
decimal number between 1 and 10 multiplied by a power of 10. a x 10^n
dividend ✔Correct Answer-the number that is being divided
, divisor ✔Correct Answer-the number you divide by
greatest common factor ✔Correct Answer-The largest factor that two or more numbers have in
common.
least common multiple ✔Correct Answer-The smallest multiple (other than zero) that two or more
numbers have in common.
unit price ✔Correct Answer-A unit rate that gives the cost per unit.
t=pn
*t=total price
*p=unit price
*n=number of objects
unit rate ✔Correct Answer-A rate in which the second quantity in the comparison is one unit.
-like if you travel 30 miles in 2 hours, the unit rate would be 15miles in 1 hour
function ✔Correct Answer-1. A relationship from one set (called the domain) to another set (called
the range) that assigns to each element of the domain exactly one element of the range. 2. The
action or actions that an item is designed to perform.
Slopes of Lines ✔Correct Answer--Horizontal line: zero slope
-Vertical line: no slope
-Parallel line: same slope
-Perpendicular lines: negative reciprocal slopes (ex: 4/5, and -5/4)
point slope form ✔Correct Answer-y-y1=m(x-x1)
Function Manipulation ✔Correct Answer--Vertical shifts: adding to the outside of the function f(x)
+-k
-Horizontal shifts: adding to the inside of the function f(x+-k)
-Vertical stretch: when a function is multiplied by a number greater than 1 on the outside of the
function
-compressed vertically: when a function is multiplied by someone great than 0, less than 1 on the
outside of a function
-if k is less than zero the graph is reflected about the x-axis, in addition to being either stretched or
compressed vertically if k is less than or greater than -1, respectively
More function manipulations ✔Correct Answer--compressed horizontally: if the inside of a
function is multiplied by a number greater than 1.
-stretched horizontally: if the inside of a function is multiplied by a number less than 1 but greater
than 0
-if k is less than 0, the graph is reflected about the y-axis, in addition to being either stretched or
compressed horizontally if k is greater than or less than -1 respectively
solving absolute value equations ✔Correct Answer-If |"A" | = b, then A = b and A = -b
-solve 2 equations, one positive , one negative
Exponential functions ✔Correct Answer-y=ab^x, logarithmic functions and exponential functions
are inverse of one another