Writing Expressions
5 + a or a + 5
What is a variable?
A letter that represents a number
Two angles are complimentary. One angle measures 57 degrees. What is the other angle?
33
If a = 2 evaluate: a + 50
52
Write the inequality for 5 is less than or equal to r.
5 < r but has an equal sign under the inequality too.
20 + 5b or 5b + 20
Burrows read 5 books each week. Let b be the number of books she reads each week and let w be the number of weeks that she reads. Write an equation to model the situation of the number of books she reads in w weeks.
b = 5w
104
If b = 10 evaluate: b/ 2
5
14 < f , will it have an open or closed circle on the graph?
open
write the expression of the quotient of 35 and c
35 / c
Josh spends 25 minutes a day reading. Let d be the number of days he reads and let m be the total minutes of reading. Write an equation to model the total number of minutes (m) read in (d) days.
m = 25d
Three angles are complimentary and measure 38 and 27 degrees. What is the measure of the third angle?
25
If c = 6: evaluate 7c
42
b is less than or equal to 4, will it have an open or closed circle on 4?
closed
Write the expression:
a raised to the power of 5 and then increased by the product of 5 and c
a ^5 + 5c
Jones buys a watermelon for $5 and wants to buy peppers for $0.75 each. Write an equation that models the total cost (c) for ( n) peppers and the watermelon.
$0.75n+ $5 = c
How do you know that angles are complimentary?
They form a right angle, or have the square in the corner that shows that it is perpendicular.
If d = 4; evaluate d - 1
3
The inequality if k > 7. What values for k will make the inequality true?
values that are bigger than 7, but not 7
10 less than the product of 15 and b
15b - 10
c = 1.25m + 7
How do you know angles are supplementary?
If they lie on a straight line which equals 180 degrees.
If r = 9 ; evaluate 13 - r
4
Write the inequality for Mrs. Ruggio is willing to spend $10 or less on dinner.
r < or equal to 10