Solve the equation.  Identify the equation as an identity, an inconsistent equation, or a conditional equation.
1)(1/m - 2) - (2/m + 2) = (4/m to power of ((2)) - 4) 








Solve the absolute value equation.
2)(1/5)|x - 13| = 20 








Solve the problem.
3)Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 20 pounds of feed worth $0.41 per pound by mixing one kind worth $0.35 per pound with another worth $0.55 per pound. How many pounds of the cheaper kind should they use in the mix? (Round to the nearest pound.) 








4)One maid can clean the house in 6 hours. Another maid can do the job in 5 hours. How long will it take them to do the job working together? 










Graph the equation.
5)x to power of ((2)) + y to power of ((2)) + 6x + 4y + 9 = 0
graphic(FP_cat3dc01_B11141510) 

Find the equation of the line through the given pair of points. Solve it for y if possible.
6)(-7, -8), (-4, 7) 








Write an equation in standard form using only integers for the line described.
7)The line through (0, 2), perpendicular to y = (3/2)x + 2 








Solve the equation by factoring.
8)y to power of ((2)) + 14y = -45 






Use the square root property to find all real or imaginary solutions to the equation.
9)(x - 8) to power of ((2)) = 64 
A){0, -16} B) {-56} C) {16} D) {0, 16} 








Find the real or imaginary solutions by completing the square.
10)x to power of ((2)) + 4x + 40 = 0 










Find the real or imaginary solutions by using the quadratic formula.
11)3x to power of ((2)) + 12x = -2 










State the value of the discriminant and the number of real solutions.
12)5y2 = -3y - 7 




Solve the inequality by reading the graph.
13)4x - 3 ≥ 2x + 1
graphic(FP_PCALCL1D_IQ1242206)
	y = 2x + 1	y = 4x-3 



Solve the absolute value inequality. Write the solution set using interval notation.
14)| 5x - 7 | ≥ 4 








15)9| x - 8 | < 3 








16)|19x - 7| < -5 








Find the values of x for which the expression is a real number.
17)(1/sqrt(13 - x)) 






1)Conditional, {2} 








2){113, -87} 








3)14 lb 








4)(30/11) hr 










5)
graphic(FP_cat3dc01_B51141510) 

6)y = 5x + 27 








7)2x + 3y = 6 








8){-9, -5} 






9)D 








10){-2 ±  6i} 










11){(-6 ± sqrt(30)/3)} 










12)-131, no real solutions 




13)[2, ∞) 



14)( ∪  








15)((23/3), (25/3)) 








16)∅ 








17)(-∞, 13)