Random
What is the distance between -4 and7?
11
What is the distance between -3 and -8?
|-3-(-8)|
5(-x+3)
-5x+15
-(x-8)
-x+8
5+3(x+4)
What is this expression when simplified?
When simplified, what is the coefficient?
Simplified: 3x+17
Coefficient: 3
(-3) - 0.9 + (-1) - 7 + 1.2 - 3
-13.7
1/2 + 3/4 + 7/8
2.125
or
2 1/8
Jordan fixed computers. He charges a flat fee of $50. Then, he charges $20 per hour to work on computers. He charged his first customer $$350. What is the equation? How many hours did he work?
He worked 15 hours
(-0.9)(3) / (3/4)-(1/2)
-10.8
3 + (9/3) -2
3
30/7 as a mixed number
4 2/7
Which is equivalent to 5-7?
1. -5-(-7)
2. -5+(-7)
3. 5-(-7)
4. 5+ (-7)
4
A carpenter has a piece of wood that is 7/8 meter long. If the carpenter cut this piece of wood into 5 equal sections, how long is each section?
7/40 meter
What are two ways that I could HALF a number?
Ex) Half the number 10
1. Divide by 2
2. Multiply by 1/2 (0.5)
Where is the error?
Given: 20(x-5)+3
Step 1: 20x+100+3
Step 2: 20x+103
Between given and step 1
I bake cupcakes and I sold 30 for $0.75 each. Write an equation to show how much money I will make.
(30) (0.75)
I bought 40 cupcakes for $2.20 each. Write an equation to show the effect on my bank account.
(40)(-2.20)
What operation is...
sum?
difference?
product?
quotient?
adding
subtracting
multiplying
dividing
Simplify: 3x - 2x + 5 - 1 + 10x
11x + 4
Explain the differences between equations and inequalities.
Equations: have an equal sign. have one solution.
Inequalities: use greater than or less than signs, have infinite solutions, have to swap the sign when coefficient is negative
-1/8 ( 16x - 4 )
-2x + 0.5
Simplify:
5 - (x + 8)
-x - 3
Graph 5 + (-3) on a number line.
Show teacher
Graph -9 + 3 on a number line.
Show teacher
Simplify
1/3(12x-3)
4x-1