MTH 100 Assignment 2 (2015)
MTH 100
Assignment 2
Exercise 1(10pt). Quadratic Equation’s
Find all possible values of the given variable.
(4y - 8)(3y + 7) = 0
(4w - 8)(w + 3) = 0
(p - 5)(p + 2) = 0
(k + 4)(3k - 12) = 0
(m + 11)(m - 9) = 0
(4k - 2)(3k + 6) = 0
(3h - 7)(5h + 4) = 0
(6m - 7)(2m + 12) = 0
(s + 1)(4s - 8) = 0
(2z + 7)(z + 1) = 0
Exercise 2(6pt). Rational Equations by Cross Multiplying
Solve for in each of following equations.
x/9= 7/3
(x-5)/15= 4/5
(3x+1)/(x-1)= 5
(x-6)/3= (-2x-2)/15
6/(3x-1)= 3/4
5/x= 7/(x-4)
Exercise 3(4pt). Inverse functions
1. If , what is the value of the reciprocal of
2. If the reciprocal of is ½, what is the value of ?
3. The
difference between the reciprocal of and the reciprocal of is equal to the reciprocal of .
What is the value of ?
4. If the reciprocal of is , what is the value of ?
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Solution: MTH 100 Assignment 2 (2015) Solution