Math Practice Test Flashcards
Answer in an addition and multiplication problem will remain the same regardless of the order of numbers
A x b = b x a
A+b= b+a
Commutative property
_ property
Multiply a value by all values inside the brackets, then add
Multiplication can be distributed over addition
Ex: 7(3+5) = 7x3 + 7x5
Distributive property
Remove the ()
_ has an interior angle that measures greater than 180 degrees
Concave polygon
When the numerator increases and the denominator stays the same the fraction
The fraction increases
Any number with a 0 exponent
Equals 1
What solid has 2 triangular faces and 3 rectangular faces
Triangular prism
Numbers before the exponents
Exponents in the polynomial
Coefficients
Degrees
_ polygon
Sides and angles are not the same
Irregular
_ polygons have angles that are less that are less than 180 degrees
Convex
If the denominator increases and the numerator remains constant, the fraction _
Fraction decreases
If the numerator stays the same and the denominator decreases the fraction will _
Fraction will increase
_ numbers include fractions and repeating decimals
Rational numbers
Set of natural numbers including zero
Whole numbers
Positive or negative whole numbers and do not include repeating decimals
Integers
Time and distance
Which is the dependent variable?
Dependent variable is DISTANCE …distance depends on number of hours driven
_ number
Can only be divided evenly by 1 and itself
Prime #
Can be divided by numbers besides 1 and itself
Composite #
_ property
Adding zero or multiplying by 1 will not change original value
A+0=a
Ax1=a
Identity property
Multiplying any value by 0 yields a result of zero
Zero property
Percent increase equation
New amount - original amount
Divided by original amount
Multiply by 100
Percent decrease equation
Original amount - new (decreased amount)
Divided by original amount
Multiply by 100
Two slopes such as 2 and 1/2:
Called?
Lines are?
Reciprocal negatives
Perpendicular
Km to meters
Km x 1000
M to mm
M x 000,000
Ex: 8M to 8MM = 8,000,000
Meters to feet
Meters x 3.28
Sum of all exterior angles of a regular n-gon is
Measure of each angle of a 300-gon?
360
360/300 = 1.2
Triangles:
Each side different length
2 sides same length
3 sides same length
Scalene
Isosceles
X axis is _
Y axis is _
X= Horizontal
Y = Vertical
Mode =
Median =
Mean =
Range=
Mode = most common ( can be more than one)
Median = in the middle ( least to greatest)
Mean = average
Difference btwn highest and lowest
Slope equation
Y= mx + b
B= y intercept on VERTICAL line
M=slope
Example of irrational number
Pi
3.14159265…
