2.1: Solutions?
Is x = 8 a solution to the following?
2x + 8 = 24
Yes, it's a solution
Solve for x.
4x + 4 = 20
4
When six is added to four times a number, the result is 50. Find the number
11
Solve for x:
x + 2b = 5c
5c - 2b
Would the sum of 5.25 and
sqrt(49)
be a rational or irrational number?
Rational
Is x = -1 a solution to the following:
x2 + 4x + 9 = 4
No, it's not a solution
Solve for m.
-5m - 25 = 75
m = -20
When 142 is added to a number, the result is 64 more than 3 times the number. Find the number.
39
Solve for a:
4a - 3x = d
(d + 3x)/4
Simplify:
(x2 + 5x + 4) + (3x2 - 3x + 2)
4x2 + 2x + 6
Is x = -5 a solution?
(x^2 +4x)/(x - 3) = 5/2
No, it's not a solution
Solve for a:
(3a + 5)/2 = 25
15
Three consecutive integers are such that three times the smallest is 14 more than the largest. Find the integers.
9, 10, 11
Solve for d:
(2d + f)/4 = 2v
(8v - f)/2
What is the result when -x2 + 3x - 4 is subtracted from 4x2 - 5x + 7?
5x2 - 8x + 11
Is x = 6 a solution?
(x^2+2x +6)/5 +4x = 7x -12
No, its not a solution
Solve for b:
(9b - 6)/3 - 4 = 12
6
Three consecutive even integers are such that the sum of the smallest and 3 times the second is 38 more than twice the third. Find the integers
20,22, 24
Solve for g:
5j - 6 = ghk + 3
(5j - 9)/(hk)
Simplify:
(3x - 5)2
9x2 - 30x + 25
Is x = -2 a solution?
(x^3 -7x)/(x^2 -2) +8 = x^2-6x-5
YES, its a solution
Solve for n:
(5n-1)/3 - 2 = n-1
n = 2
Find 3 consecutive odd integers such that the difference of 3 times the smallest and 4 times the middle integer is 5 more than 2 times the largest.
-7, -5, -3
Solve for x:
(3x + r)/2 + 5 = h
(2h -10 -r)/3
Simplify:
(x + 3)(x2 - 4x + 6)
x3 - x2 - 6x + 18