  # mat 126

by lanitra
(Hyattsville)

For Project #1, complete all 6 steps (a-f) as shown in the example. For Project #2, please select at least 5 numbers; 0 (zero), 2 even and 2 odd. Make sure you organize your paper into separate project

(a) Move the constant term to the right side of the equation.
(b) Multiply each term in the equation by four times the coefficient of the X2 term
(c) Square the coefficient of the original x term and add it to both sides of the equation.
(d) Take the square root of both sides.
(e) Set the left side of the equation equal to the positive square root of the number on the right side and solve for x.
(f) Set the left side of equation equal to the negative square root of the number on the right side of the equation and solve for x.

Example : solve x2 + 3x - 10 = 0

X2 + 3x = 10

4x2 + 12 x = 40

4x2 + 12x + 9 = 40 + 9

4x2 +12x + 9 = 49

2x + 3 = _+ 7 ( the plus sign should sit on top of the - sign)

2x + 3 = 7 2x +3 = -7

2x = 4 2x =-10

X=2 x=-5

Solve these show work.

(a) X2 _ 2x - 13= 0
(b) 4 x2 - 4x + 3 =0
(c) X2 + 12x - 64= 0
(d) 2x2 -_ 3x - 5 =0