factor 2x−4y+2
2(x−2y+1)
letters are often used in place of this number.
what is a variable?
slope-intercept form
y=mx+b
x. y.
-2 -20
-1 -21
0 -22
1 -23
yes!
the difference from the lowest to highest number in a data set
what is the range?
factor x2+7x+10
(x+5)(x+2)
a number that gets multiplied by a variable
what is a coefficient?
point-slope form
y-y1=m(x-x1)
x. y.
-13 -20
-11 -20
-11 -2
-5 -17
no :(
the number that occurs most in a data set
what is the mode?
factor 4x -11+3
4(x-2)
a number attached to a base number that determines how many times it is multiplied by itself.
what is an exponent OR power?
linear equations standard form
Ax+By+C
x. y.
-2 -2
-1 -3
-1 -4
-1 -5
no…
the average number in a data set
what is the mean?
factor 12x-19+3
4(3x-4)
a value that never changes.
what is a constant?
arithmetic sequence
an=a1+(n-1)d
x. y.
7 14
8 16
9 18
10 20
yes!
A bag has 5 red, 6 yellow, 12 green, and 20 blue candies. If a candy is drawn at random, what is the probability that the candy is NOT blue?
57.5%
or
23/43
factor 49x+7+14
7(7x+3)
part of an expression that can be a single number, a variable, or a product.
what is a term?
vertex form
y=a(x-h)2+k
x. y.
-20 -20
1 -21
10 9
1 -23
17 42
no..
what is the mean, mode, and range for this data set (round to tenths)
23 26 26 26 25 27 28 27 20 25 25 26 29 30
mean: 25.9
mode: 26
range:10