math formulas for unit test…

Question Answer
standard form p. 302 AX=BY=C
slope form p. 324 m= y2-y1/ x2-x1
midpoint formula p.330 M(x1+x2/2, y1+y2/2)
distance formula p. 331 d=the square root of (x2-x1)2
direct variation p. 336 y=kx
slope intercept p. 345 y = mx +b
point slope form p. 351 y-y1=m(x-x1)
formula for vertical lines x= a number
formula for horizontal lines y= a number

fraction vocabulary

Question Answer
divisible able to be divided by
factor any number that can divide into another number evenly
prime number a number that is only divisible by one and itself
composite number any number that has more than two factors
prime factorization finding which prime numbers multiply together to make a number
factor tree a diagram used to write the factorization of a number
common factor a whole number that is a factor of two or more numbers
greatest common factor the greatest factor of two or more numbers
equivalent fractions two or more fractions with the same value
simplest form a fraction that can only be divided by one
multiple the product of any two non-zero numbers
common multiple a multiple that two or more numbers have in common
least common multiple the lowest multiple that two or more numbers have in common
least common denominator the lowest common multiple of two or more denominators

Conversions

Question Answer
36 ft = _____ yd 12
3 lbs = _____ oz 48
4 c = _____ fl oz 32
176 oz = _____lbs 11
Beatriz is selling soda during halftime. If she has 5 quarts, how many 1-cup servings can she sell? 20
24 in = _____ ft 2
2 gal = _____ pt 16

Brain-Pop Vocabulary

Question Answer
Plane a flat surface with length and width , but no depth
Perpendiclar A straight line at an angle of 90° to a given line, plane, or surface.
Axis The vertical and horizontal lines that make up the quadrants of a coordinate plane. The vertical axis is usally referred to as the y axis and the horizontal axis is usually referred to as the x axis.
Horizontal Parallel to the plane of the horizon; at right angles to the vertical. A horizontal line, plane, etc
Vertical At right angles to a horizontal plane; in a direction, or having an alignment, such that the top is directly above the bottom. A vertical line or plane.
Coordinates the "address" of the origin (-4, 3)
Quadrant the section of the coordinate plane.
Data infomation