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Date________________ Period_____
HW 1-2
Write an algebraic expression to represent each verbal expression.
1.
The sum of six times a number and 25
5.
The sum of 100 and four times a number
2.
Four times the sum of a number and 3
6.
The product of 3 and the sum of 11 and a
number
3.
7 less than fifteen times a number
7.
Four times the square of a number increased by
five times the same number
4.
The difference of nine times a number and the
quotient of 6 and the same number.
8.
23 more than the product of 7 and a number
Write a verbal sentence to represent each equation.
9.
3n – 35 =79
10. 2(n3 + 3n2) = 4n
11.
5n
n 3
n 8
Solve each equation. Check your solution.
12. 3s = 45
13. 17 = 9 – a
16. 0.2b = 10
17.
20. 4n + 20 = 53 – 2n
3x + 17 = 5x – 13
21. 100= 20 – 5r
14. .
2
m
3
1
2
18. 120 – ¾ y = 60
19.
15. 7 – ½ x = 3
5
m 98 m
2
Solve each equation or formula for the specified variable.
22. a = 3b –c, solve for b
23.
s
2t
10 , solve for t
24. h = 12g – 1, solve for g
25.
3 pq
12 , solve for p
r
26. 3(2x – y) = 108, solve for x
27. 3.5x – 42 = 14 y, solve for x