A.7-10b/2
B.7-18b/5
C.7b.10-18/5
D.7b-2
E.none
Show AnswerAnswer=Option B
Basic Algebra
If a2-9 = 0 What is the value of a ______?
A.3
B.?3
C.3
D.none
Show AnswerAnswer=Option C
If x = a+b Y=(a-b) / (a+b) then xy = ______?
A.(a-b)2 / (a-b)
B.(a+b)/a
C.a2-b2
D.a+b
E.b+a
Show AnswerAnswer=Option A
x2-5x-6=
A.(x+1)(x+67)
B.(x+6)(x-1)
C.(x+2)(x+3)
D.(x-6)(x+1)
E.(x-2)(x-3)
Show AnswerAnswer=Option D
x2+x-20=
A.(x+5)(x-4)
B.(x+4)(x-5)
C.(x+2)(x-10)
D.(x+10)(x-2)
E.(x+20)(x-1)
Show AnswerAnswer=Option A
x2+3x+2=
A.(x+1)(x-2)
B.(x+2)(x+1)
C.(x+2)(x-1)
D.(x-2)(x-1)
E.(x+3)(x-1)
Show AnswerAnswer=Option B
What is the value of x2 + 14x + 49 when x = 83______?
A.3300
B.4900
C.5000
D.8100
E.8279
Show AnswerAnswer=Option D
If x2 – y2 = 58 and x-y=4 what is the average of x and y______?
A.13
B.27
C.2
D.3.6
E.4
Show AnswerAnswer=Option B
What is the value of a2-b2/a-b when a = 12.3 and b = 13.2______?
A.30
B.25.5
C.20
D.37.6
E.40
Show AnswerAnswer=Option B
Which of the following is equal to (z+1/z)2-(z-1/z)2______?
A.0
B.4
C.1/z2-z2
D.2/z2-2z2
E.1/z2-4z2
Show AnswerAnswer=Option B