Writing Expressions
double "y" is less than 56
56 - 2y or 56 - (2 x y)
Give me two equations to solve the area of the whole rectangle:
Problem 2 on worksheet
Answer:
8 x (5+2) or (8x5)+(8x2) or 8 x 7
Give me three numbers that make this inequality true: B > 4
Any number larger than 4.00001
Solve: 3 x 8 + 5 - 8 =
Answer = 21
Write a General pattern using these examples:
(4x10) + (4x15) = 4(10+15)
7(10+15) = (7x15) + (7x10)
Answer:
(Ax10) + (Ax15) = A(10+15)
The product of 5 and "c" is increased by 17
(5 x c) + 17 or 5c + 17
Write one equation to solve the area of the whole rectangle. Also what is the value of "A"?
Answer:
8 x (3 + A)= 64 or (8x3) + (8 x A)= 64
Value of A = 5
Graph: 5 < A
Answer: open circle on 5 and arrow going to the right.
Solve: 3(8-2) + 7 x 2 =
Answer: 36
Absolute Question:True or False
/-5/ > -3
Answer: 5 > -3 so it's true
The sum of 10 an "A" is separated by 4
(10 + A) divided by 4
Find two equations that would find the area of shaded rectangle.
Answer:
4 x 3 or 4(9-6) or (4x9) - (4x6)
Write the inequality: Any number that is at least 7. Use "A" as your variable.
Answer: A > or equal to 7
Simplify the Expression:
3(a + 5) - 7 + 8a =
Answer: 11a + 8
Solve:
33 - 20 + 3 x 5
Answer: 22
Bob Marley is 24 years older than Ziggy Marley. If Ziggy is "Z" years old, how old is Bob Marley?
Answer: Z + 24
Find one equation to solve the area of the shaded rectangle. Also, what is the value of "C"?
Answer:
C x (7-2) = 40 or (C x 7) - (C x 2 )= 40
C = 8
Graph on a number line: The Davenport hospital has anywhere from 3 to 8 babies born every day.
Answer = Put a dot on 3, 4, 5, 6, 7, 8. (closed dot)
10 / 2 + 6(5-2) - 3 x 4 =
Answer = 11
How far is the distance between two data points? Make sure you write the equation to show your answer.
Point A (-7,5) Point B (3,5)
Answer: /-7/ + /3/ = 10
The sum of 10 and "b" is increased by the product of 8 and "e"
Answer: (10+b) + (8 x e) or (10+b) + 8e
John purchased sunscreen for each person in his grade. The sunscreen cost $3 per bottle. He also purchased sunglasses that cost $1.50 per person. Write an equation on how much it would cost if he had 15 individuals he bought for. Write an equation and give the solution.
Answer:
15 x (3 + 1.50) or (15x3) + (15x1.50)
Solution: $67.50
Graph these inequalities: A car on the interstate can go a minimum of 45 mph and can not go 70 mph or faster. Graph the inequalities.
Place parentheses in so target answer is:
3 + 5 x 6 - 20 x 2 + 30 = 56
Answer = (3 + 5 x 6 - 20) x 2 + 30 = 56
The anchor of of the boat sank 80 feet below the surface. Write an expression for each:
What is the exact location of the anchor?
How far is the anchor from the water surface?
Location: -80
How far: /-80/