Test: Algebraic Fractions II - Challenging

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Question 1:   For which values expression   x 2 6x+1 4 x 2 16   doesn’t have a solution?
x=1
x=2 x=2
x=4 x=4
x=0
Question 2:   For which value of x fraction   12 x 3 5 25 x 2 +90x+81   is undefined?
x=0
x=1,8
x=1
x=1,8
Question 3:   Reorder expression to make y subject   4x y =5
y= 4x 5
y=4x×5
y= 5 4x
y=4x5
Question 4:   Add   2 a 2 4 + a a 2 4
1 a
1 a+2
1 a 2
1 a2
Question 5:   Add   a c + 3a 4c
3a c
3a+3 4c
6a 4c
3a 4c
Question 6:   Simplify    x+2 x2 2
6 x2
6x x2
6+x x2
6 x
Question 7:   Simplify   5 c1 8 1+c + 3c+7 c 2 1
20 c 2 +1
20 c+1
20 c 2 1
20 c1
Question 8:   Multiply   4 x 2 9 3+2x × 6x 32x
6 x 2
6x
6x
6 x 2
Question 9:   Solve the equation   2 x 2 x5 × x 2 25 x =0
5
1
5
0
Question 10:   Simplify   3a 2b 2 ×12 a 4 b 6
27ab
27 a 6 b 4
27ab
27 a 6 b 4