Notation...
Graph x > 6
(6,∞ )
Write an inequality to fit the following situation: Michael plays at least 4 hours of video games a weekend.
m ≥ 4
Solve:
4(2x - 6) < 0
x<4
Translate to algebraic expression & SOLVE
the product of two and a number less than ten is fifty
10-2x=50
x=-20
Brantley solved an equation and got
1= -1
What would be his answer
No solution
Write in interval notation
x≥ 2
[2,∞ )
Johanna has $42 in her lunch account. If lunches cost $2.50, at most, how many lunches can she get?
Write the inequality...don't need to solve
2.50L≤ 42
Solve:
-2 (x + 4) > 6
x<-7
Solve and write in interval notation
-2-(x+4)>2x+6
x>0
(0,∞ )
Sam solved an inequality and ended with
0≥ 0
What is his conclusion?
Infinite solutions
Write in interval notation
n≤ -1
(-∞,-1]
Matt started his own video game rental service. His service charges $10 for a membership with a $7.50 rental fee for each game. Shayden has $40 when he walks into Matt's Video Game Rental Co-Op. What is the maximum number of games Shayden can rent?
Write the inequality and solve.
10+7.50m≤ 40
m≤ 4
4 or less games could be rented
Solve and write in interval notation
3n - 5< -8(6 + 5n)
n > -1
(-1,∞ )
What is Miss White's cats names....she has 3
Must get 2 of the 3 right :)
Diet Coke, Ketchup, and Oreo
If you solved and ended with
x<-1
Select all values that are possible solutions
0, -1, 2, 10, -3, -20
-3,-20
Write in interval notation
-4 > y
*hint write it with y on left before doing interval notation
(-∞ ,-4)
Ali and Allie started a business doing other students homework. They charge a flat rate of $4 plus an additional $2 per homework assignment. If a student can spend at most $10, how many homework assignments can the student have done for them?
Write inequality and solve
At most, 3 homework assignments.
4+2h ≤ 10
h≤ 3
Solve
14-6x≤ 2(7-3x)
Infinite solutions
0≤ 0
Why was the fraction skeptical about measuring the decimal???
because he would have to convert :)
If you solved and ended with
x≥ 6
Select all possible solution values:
-1, 0, 6, 7, 10
6, 7, 10
How would you write Infinite solutions or all numbers in interval notation?
*Whole number line would be shaded if graphing on number line
(-∞ ,∞ )
Marissa and Shaylee are comparing cell phone plans. Marissa's plan charges $25 a month plus $0.10 per 1 GB of data used. Shaylee's cell phone plan charges $15 per month and an additional $0.15 per 1 GB of Data used. How many gigs of data need to be used for Shaylee's plan to cost more?
Write inequality and solve...
Shaylee needs to use 200 GB of data for her plan to be more expensive.
15+.15x>25+.10x
x>200
4p+3>9p+6-5p
0>3
No solution
Why was the = sign so humble....
he knew he wasn't > or < anyone else
-4(x-3)<12
solve and select all possible values for solutions from:
0, 1, -1, 5, -10, 7
x>0
1, 7, 5