Review
What is the absolute value of | 3-8|
5
Simplify 3x2y + 4x2y
7x2y
(6x)(5x)
30x2
A number decreased by 7
X-7
Mr. Leonard borrowed money to buy tools for his job as a tow lift operator. He borrowed $1300. The loan is for 1 year and 6 months at 9% interest. What is the amount in interest he will pay back?
(1300)(1.5)(0.09)= $175.50
9y+y-y2-y
9y-y2
(a)(9bc)
9abc
The product of 3 and the square of a number plus that number
3x + x
Mr. Triplett's payroll deductions are 30% of his earnings. If his deductions add up to $369 for a two week period, how much were his earnings?
p/w =%/100
369/x=30/100
$1230
14ab+ab2 +2ab+3
ab2+16ab+3
10z(7x7 -5z)
70x7z-50z2
5 multiplied by the difference of a number squared and 3.
5(x2-3)
Write 440,000,000 scientific notation
4.4 x 108
9x2-3x3+x-2x2
-3x3+7x2 + x
-5ab(3b+11c)
-15ab2 -55abc
4 times the difference of two different numbers
4(x-y)
Many domestic satellites keep an orbit approximately 23,500 miles above the earth. What is the distance in miles, in scientific notation,.
2.35 x 104
Which of the following equals
(5x2-2x +1) - (3x2-3x -2)
A. x-5x-1
B. 2x2+x+3
Drop the parenthesis and distribute the negative sign:
5x2-2x+1-3x2 +3x+2
2x2+x+3
-9(-2x4+3xy2)=
18x4-27xy2
Chandra is paid $6 per hour and 3% commission on sales. If h represents the number of hours worked and s represents her total sales in dollars, which expression could she use to find her weekly pay?
A. 6+ H+0.03s
B. 6h +0.03s
C. 0.03 (h)(s)
B