x2-13x=13
x=-2
x=15
What is the Mode of these Numbers
2,5,7,2,8,10
Mode=2
5(2f+4)
10f+20
5x(4y2-6x5+2)
20xy2-30x6+10x
True/False: 0 is a solution to 2y + 1 < -3
What is false 2*0 + 1 = 1 or 1 > -3
x(x+4)=32
x=4
x=-8
What the Range?
3,6,2,8,12,4
Range : 12-2=10
True/False is this Expression Equivalent?
3t-3=3(t-1)
True
10cx(2x4-3c5-2)
20cx5-30x6-20cx
2y - 5 > 9 + 3y
What is y < -14
x2+5x+6=0
x=-2
x=-3
Find the Mean
10,1,23,7,4,15
Mean=10
4 (2f + s) + 3 =
8f + 4s + 3
30ap(3p9+5ap3+4p2)
90ap10+150a2p4+120ap2
Your average in Algebra must be a 92.5 or greater to receive an A. Write an inequality to model this situation.
What is a ≥ 92.5
(x+3)2-(2x-1)2=0
x=-2/3
x=4
Find the Median
450,555,310,220,369,732
Median=265
Which expressions are equivalent to 2r+(s+r) ?
A. r+(s+2r)
B. r+s
C. 3r+s
D. 2rs+4r
C. 3r+s
50lc(2l4c2-5l3c6-3)
100l5c3-250l4c7-150lc
12 ≥ -2t - 10
-11 ≤ t
(x-7)2+x2=(x+1)2
x=4
x=12
Find the Mean, Median, Mode & Range
325,808,517,925,728,915
Mean=703
Median=721
Mode=No Mode
Range=925-325=600
Equivalent Expression for Speed
S= D/T
S*T= D
100h2t6(3h4t2+9ht5+4h3t-5t5)
300h6t8+900h3t7+400h5t7-500h2t11
The inequality for -12 > c/-2 + 10
44< c