Random
x2 = 64
+ or - 8
15n − 19n
−4n
n/5 = 6/7
30/7
x2 - 4 = 60
+ or - 8
25x + 5y = 55
what is the value of 5x + y ?
11
x2 + 5 = 41
+ or - 6
−3x − 9 + 15x
12x − 9
9/7 = k/2
18/7
7 / 8 = x / 10
8.75
12x + 60y = 24
what is the value of x + 5y?
2
In a certain store, the regular price of a refrigerator is $600. How much money is saved by buying this refrigerator at 20 percent off the regular price rather than buying it on sale at 10 percent off the regular price with an additional discount of 10 percent off the sale price?
$6
−9(6m − 3) + 6(1 + 4m)
−30m + 33
n + 5 / 4 = n / 6
-15
56/63 = x/9
x = 8
a²-b²=
(a-b)(a+b)
If x+y = -2, then x+y+4 = what?
2
−3(10b + 10) + 5(b + 2)
−25b − 20
b - 8 / 8 = b - 9 / 2
28 / 3
a²+2ab+b²=
(a + b) 2
If x + (1/x) = 2, what is the value of x2 + (1/x2)
2
In a restaurant where the sales tax on a $5.00 lunch is $.40, what will be the sales tax due on a $14.00 dinner?
$1.12
−7(n + 3) − 8(1 + 8n)
−71n − 29
m - 8 / 5 = m - 6 / 6
18
If 3x+7 = -9, then x = what?
-16/3
The product of two positive numbers vs. the product of two negative numbers.
A: The product of two positive numbers is greater
B: The product of two negative numbers is greater
C: The two quantities are equal
D: It can't be determined from the given information
D