Unit 1: Computation
If a number is a fraction, what number family is it considered apart of?
-rational
-irrational
- whole
-integer
rational
solve:
x/2 = 4
x= 8
write the equation and solve:
Five less than two times a number is the same as seven
2x-5= 7
x= 6
fill in each column
Column One:
Column Two:
Column Three:
One: Define Variables
Two: Write Equations
Three: Answer with Labels
graph:
x< 10
open circle at 10, arrow moves left
simplify the square root
-17 and 17
solve:
2(x-2) = -2
x=1
Solve:
7/(x+5)=10/5
x = -5/2
One number is 6 greater than another, and their sum is 64. Find the numbers
29 and 35
solve:
x/ -5 >/= 1
x</= -5
closed circle at -5 and arrow moves left.
solve: (-4rx2t3)(-6r5x2t)
24r6x4t4
solve:
2-2x+4+3x= 16-2
x=8
set up the proportion and solve:
Jason Spent $55 on 5 t-shirts, how much will 18 shirts cost?
5/55 = 18/x
x= $198
Your last three test have resulted in three consecutive odd integers. If you take all three of your scores, they sum to 141. What are your last three test scores?
45, 47, 49
solve:
-2x – 3 ≤ -5
x >/= 1
open circle at 1; arrow moves right
solve: x7y3 / x6y12
x/y9
solve:
(x+2)/3+2x= 5
x= 13/7
If an item was originally priced at $50 and is now priced at $30, what is the percent that the price changed?
x= 60%
Complete the Table on the board:
see board
7< x+2 <11
AND compound
x > 5 and x < 9
open circle at 5 and 9; shade between
solve: 9/3 + 2(9 +10) - 8 + 4*3
45
solve:
x-18= -4+7(-5x - 2)
x=0
Solve:
l2x-1l=7
x= 4 ; x= -3
9 lbs. of mixed nuts containing 55% peanuts were mixed with 6 lbs. of another kind of mixed nuts that contain 40% peanuts. What percent of the new mixture is peanuts?
49%
Solve:
l-x-6l>5
OR graph
x < -11 and x > -1
open circle at -11 and -1; shade tails