| 1 |
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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| 2 |
if x2 = a, then: |
- A. x = a
- B. x = ±a
- C. x = √a
- D. x = ±√a
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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 |
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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| 5 |
The lowest term of 8x2y2/12xy5 is: |
- A. 2x2/3y3
- B. 3x3/2y2
- C. 3x2/2y3
- D. 4c2/9y3
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| 6 |
Conjugate binomial surd of a + b √x is |
- A. a +bx
- B. a - b√x
- C. √a + √bx
- D. a - bx
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| 7 |
Which of the following is a pure surd? |
- A. 4√3
- B. 5√7
- C. 1/7√3
- D. 4
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| 8 |
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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| 9 |
An expression which involves numbers and letters together with operational signs is called: |
- A. Polynomial
- B. Algebraic expression
- C. rational expression
- D. Irrational expression
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| 10 |
if a + b =8 and a-b =3, then ab = ? |
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