The equation 5x + 7 = 8 is the same as:
5x + 7 - 7 = 8 - 7
5x + 7 - 9 = 9 - 3
5x/5 + 7/7 = 8/8
5x + 8/7
A polynomial is said to be linear if its deree is
2
3
0
1
25 times the square of a number is 400. Which is the number?
8
4
12
2 is a solution of
x + 1 = 4
x - 1 = 1
x + 2 = 2x - 1
2x - 6 = 1
Find the solution of 3x + 5 = 12
-7/3
7/3
17
-17
10 years ago, the age of B is 10 times of C. The ratio of present ages of B and C is 4:1. Find the present age of B
45
50
60
55
A simple linear eqution in one variable can be written in the form
ax + b = 0
a + b= c
ax + by = c
None
The sum of three consecutive numbers is 600. Find the smallest one in that.
200
201
202
199
The perimeter of a rectangle is 12 and its width is 2. Find the length
6
If we divide 160 into parts such that second part is 12 more than the thrice of the first part, then the two parts are
73, 321
37, 321
37, 123
73, 123