Math Practice Test Flashcards

1
Q

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

A

Commutative property

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2
Q

_ property

Multiply a value by all values inside the brackets, then add

Multiplication can be distributed over addition

Ex: 7(3+5) = 7x3 + 7x5

A

Distributive property

Remove the ()

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3
Q

_ has an interior angle that measures greater than 180 degrees

A

Concave polygon

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4
Q

When the numerator increases and the denominator stays the same the fraction

A

The fraction increases

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5
Q

Any number with a 0 exponent

A

Equals 1

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6
Q

What solid has 2 triangular faces and 3 rectangular faces

A

Triangular prism

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7
Q

Numbers before the exponents

Exponents in the polynomial

A

Coefficients

Degrees

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8
Q

_ polygon

Sides and angles are not the same

A

Irregular

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9
Q

_ polygons have angles that are less that are less than 180 degrees

A

Convex

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10
Q

If the denominator increases and the numerator remains constant, the fraction _

A

Fraction decreases

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11
Q

If the numerator stays the same and the denominator decreases the fraction will _

A

Fraction will increase

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12
Q

_ numbers include fractions and repeating decimals

A

Rational numbers

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13
Q

Set of natural numbers including zero

A

Whole numbers

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14
Q

Positive or negative whole numbers and do not include repeating decimals

A

Integers

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15
Q

Time and distance

Which is the dependent variable?

A

Dependent variable is DISTANCE …distance depends on number of hours driven

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16
Q

_ number

Can only be divided evenly by 1 and itself

A

Prime #

17
Q

Can be divided by numbers besides 1 and itself

A

Composite #

18
Q

_ property

Adding zero or multiplying by 1 will not change original value

A+0=a
Ax1=a

A

Identity property

19
Q

Multiplying any value by 0 yields a result of zero

A

Zero property

20
Q

Percent increase equation

A

New amount - original amount

Divided by original amount

Multiply by 100

21
Q

Percent decrease equation

A

Original amount - new (decreased amount)

Divided by original amount

Multiply by 100

22
Q

Two slopes such as 2 and 1/2:

Called?

Lines are?

A

Reciprocal negatives

Perpendicular

23
Q

Km to meters

A

Km x 1000

24
Q

M to mm

A

M x 000,000

Ex: 8M to 8MM = 8,000,000

25
Q

Meters to feet

A

Meters x 3.28

26
Q

Sum of all exterior angles of a regular n-gon is

Measure of each angle of a 300-gon?

A

360

360/300 = 1.2

27
Q

Triangles:

Each side different length

2 sides same length

3 sides same length

A

Scalene

Isosceles

28
Q

X axis is _

Y axis is _

A

X= Horizontal

Y = Vertical

29
Q

Mode =

Median =

Mean =

Range=

A

Mode = most common ( can be more than one)

Median = in the middle ( least to greatest)

Mean = average

Difference btwn highest and lowest

30
Q

Slope equation

A

Y= mx + b

B= y intercept on VERTICAL line

M=slope

31
Q

Example of irrational number

A

Pi

3.14159265…