| 1 |
if a + b =8 and a-b =3, then ab = ? |
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| 2 |
An expression which can be written in the form of P(x)/Q(x , Q (x)≠0, Where P(x) and Q(x) are polynomials in ''x'' is called a: |
- A. irraational expression
- B. rational expression
- C. proper rational expression;
- D. improper rational expression
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| 3 |
An irrational number that contains a radical sign is called: |
- A. Polynomial
- B. surd
- C. equality
- D. inequality
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| 4 |
if x2 = a, then: |
- A. x = a
- B. x = ±a
- C. x = √a
- D. x = ±√a
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| 5 |
2(a2 + b2) = ? |
- A. (a2 + b2) -4ab
- B. (a + b)2 + (a - b)2
- C. (a + b ÷ c)2
- D. (a + b)2 - (a - b)2
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| 6 |
Type of algebraic expressions are: |
- A. Polynomial , Rationa expression
- B. Rational expression, irrational expression
- C. irratioanal expressional , Polynomial
- D. Polynomial , Rational expression , Irational expression
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| 7 |
x + 5/x2 - 6x - x/x - 6 =? |
- A. 5 - x - x2/x2 -6x
- B. 5 + x - x2/x2 -6x
- C. 5 + x - x2/x2 +6x
- D. x2 - 6x/5 + x- x2
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| 8 |
The lowest term of 8x2y2/12xy5 is: |
- A. 2x2/3y3
- B. 3x3/2y2
- C. 3x2/2y3
- D. 4c2/9y3
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| 9 |
Which of the following expression is not a rational expression? |
- A. 3√x +1/3√x +1
- B. x3 +1/x + 1
- C. x + 1 /3x3 + x2 +3
- D. 2x2/3y3
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| 10 |
The symbol '' i.e '' stands for: |
- A. therefore
- B. because
- C. that is
- D. correspondence
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