Real Numbers
Which one of these numbers is irrational?
1, -8, 2.555..., 3.34, 6.7570958...
what is 6.7570958?
My meal costs $69.79. I left a 15% tip for the waiter. What is my tip cost?
What is $10.47?
what is 122?
what is 144?
If a triangle has a base of 16 in and a height of 4. What is the area?
What is 32 in?
Define what an inequality is?
What is the relation between two expressions that are not equal and has greater than or less than signs?
Multi Choice.
What two numbers can only be rational?
3.787878..., 3, -8, 3.1415..., 78, 4.25
What are 3.787878... and 4.25?
There is a sale at J.C.Penny's. All shirts are 20% off. Usual the shirts are $26.99. If I buy one of the shirts, what would my total be?
What is $32.39?
What is the negative square root of 484?
What is -22?
What is the equation to solve for the area of a trapezoid?
What is 1/2(h)(b1+b2)?
Solve:
2x + 3 = 5x - 6
What is 3 = x?
What is the difference between rational and irrational numbers?
What is the difference between them is that rational numbers end or they repeat the same pattern, while irrational numbers never end or repeat?
You go to a fancy restaurant and buy a meal for you and 4 other people. The bill is $108.56. You have a amazing waitress and pay her a 15% tip. What is your total?
What is $124.84?
Name the first 10 exponents in order.
What is 0, 1, 4, 9, 16, 25, 36, 49, 64, 81?
A cone has a slant height of 12 cm and a diameter of 7 cm. What is the surface area?
What is 170.38 cm?
Simplify:
-4x + 3y -4 + 2x - 15y
What is 2x - 12y -4?
Multi Choice:
Which of these numbers are both integers and natural numbers? Pick three.
1.5, -8.7, 5, -7, 3.4575..., 124
What is 5, -7, 124?
You go to the book store and buy 5 books. But there is a 10% discount for your total price. Without your discount it's $34.86. What is the sale total?
What is $31.36?
Can I solve this?
_/-200
No you can not solve this. It would be imaginary.
I want to buy some ice cream today. I go to the shop and buy some ice cream made of two shapes, a cone and a half sphere. The cones height is 7 inches and the slant height is 8 inches. The half circle has a diameter of 2.5 inches. How much ice cream can it hold? (The formula for spheres is: 4/3(pi)r3.)
(Round to nearest tenth)
What is 21.3 inches cubed?
Solve:
-12:2 + 5y > 3y + 18
(* = multiplication, : = division)
What is x > 12
Name the different number groups that make up the real number system, in order from the smallest.
What are natural numbers, whole numbers, integers, and rational numbers. Another group in the real number system is irrational?
You go to a pizzeria for lunch. You buy a small pizza and drink. You payed the waiter a 10% tip. After the tip was added the total was $15.35. What was your original cost?
What is $13.81?
How are square roots and exponents related?
They are opposite of each other, if 22 is 4 than the square root of 4 is 2.
A shape is made from a triangle and a rectangle. The triangle shares its base with the top of the rectangle. The height of the triangle is 3 ft. The rectangle is 8 ft by 2 ft. What is the area of the shape?
What is 28 ft?
Solve:
1/2 + 3/4 < -5/2 + 8
(Round answer to nearest tenth)
What is x < 2.4