Quadratic equations and factoring
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21.Factor completely : 6g +19pg+15p
22.Determine whether the expression is a trinomial square:
b -4b + 4=
Is the expression a trinomial square yes or no?
23. Factor: s +16s+64
24.Factor completely: 3r -54r+243 =
25. Factor: a -81=
Type N if not factorable
26. Factor completely
w -p =
27.Factor:
4a-25a
28. Factor completely:
(0.01y -0.0036) =
29. Factor completely:1-c
30.Factor completely:
4v -1024=
31. Solve using the principle of zero products.
(V+25)(v+49) =0
Choose the correct:
a.5,7
b.-25,-49
c.-5,7
d.-5,-7
32.Solve using the principle of zero products. A(a+5)=0
The solution is a =
33. Solve using the principle of zero products.
(9c+7)(2c-6)=0
The solution is c=
34. Solve. t +8t+12=0
The solution is t=
35. Solve. s -6s=0
36.Use a graph to solve: x +3x-4= 0
The solution are :
37. A rectangle table is three times as long as it is wide. If the area is 75ft , find the length and the width of the table
Width: ft
Length : ft
38. There are n items in a league and the number of games played is given by the polynomial n -n= N. A woman's softball league has 12 teams. What is the total number of games to be played?
The total number of games is ?
39.The product of the page numbers on the two facing pages of a book is 156. Find the page numbers?
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Solution Summary
I have answered eighteen questions on factoring of quadratic equations. I have also shown the step by step process of solving word problems related to quadratic equations.
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21.Factor completely : 6g +19pg+15p
(3g + 5p)(2g+3p)
22.Determine whether the expression is a trinomial square:
b -4b + 4= (b-2)2
Is the expression a trinomial square yes or no?yes
23. Factor: s +16s+64 = (s+8)2
24.Factor completely: 3r -54r+243 = 3[r - 18r + 81] = 3(r - 9)2
25. Factor: a -81= a - 92 = (a-9)(a+9)
Type N if not ...
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