4/7 of a pizza was eaten. The next day, 1/2 of what was left was eaten. How much is left of the original pizza?
7/7 - 4/7 = 3/7
1/2 * 3/7 = 3/14
In which quadrant would you find the point (–4, –4)?
QIII
What is the definition of absolute value?
A numberś distance from 0.
Distribute and simplify:
2x(5 + 4) – 2
18x -2
Put the following numbers in order from least to greatest.
-3.5, 2.5, 2 10/11, -2.5
-3.5, -2.5, 2.5, 2 10/11,
Yvette ran 4 7/8 miles. Greg ran 1 7/10 miles. How much further did Yvette run?
3 7/40 miles
In which quadrant would you find the point (–1, 6)?
QII
Find the absolute value of –5.
l-5l = 5
Simplify the expression.
260 – (2 * 4)2 – 9
187
Evaluate 6(x + 2) if x = ½.
15
Betty is making 4 1/2 dozen cookies. She needs
1 7/8 cups of chocolate chips for one dozen
cookies. How many cups of chocolate chips
does Betty need?
8 7/16 cups
In which quadrant would you find the point (5, –8)
QIV
Evaluate
-l-4.3l
-4.3
Simplify.
82 – 2[4 – 2(2)]
64
Evaluate –2(3x + 8) if x = 0.
-16
6) A fish tank holds 12 3/5 gallons of water. The fish tank is filled 7/8 of the way. How much water is in the fish tank?
63/5 * 7/8 = 441/40 = 11 1/40 gallons
In which quadrant would you find the point (1.2, –4.5)?
QIV
Evaluate
l-5l * l-2l
10
here were 325 students in 6th grade last year. There are x less this year
325 - x
Identify if the given number is a solution to the inequality: 3x – 5 < 4 if x = 3
4 < 4; no
There are 40 students in an art club. 2/5 of the students are females. How many students in the art club are females?
2/5 x 40/1 = 80/5 = 16 females
In which quadrant is x and y both positive? (x,y) = (+,+)
QI
Is the absolute value of a number the same as the opposite? Explain.
No - opposites can be negative but absolute value describes distance which can not be negative.
Solve for x:
x/2 = -8
x = 16
Write an inequality for Ryan had $400 on a gift card and spends $10 each day. He now has less than $60 on the gift card.
400-10x < 60