What is the definition of a ratio?

b) A statement expressing the relationship between two quantities of the same kind

a) A statement of equivalence between two ratios

c) A statement expressing the relationship between two quantities of different kinds

What is a proportion?

c) A statement of equivalence between two ratios

a) A statement expressing the relationship between two quantities of different kinds

b) A statement expressing the relationship between two quantities of the same kind

What is direct variation?

b) When increase (decrease) in one quantity causes increase (decrease) in the other quantity

a) When one quantity increases, the other decreases

What is inverse variation?

a) When one quantity increases, the other decreases

b) When increase (decrease) in one quantity causes increase (decrease) in the other quantity

What is the Theorem of Invertendo?

c) If a : b = c : d, then b : a = d : c

a) If a : b = c : d, then a : c = b : d

b) If a : b = c : d, then a + b = c + d

What is the Theorem of Alternando?

c) If a : b = c : d, then a : c = b : d

a) If a : b = c : d, then a + b = c + d

b) If a : b = c : d, then b : a = d : c

What is the Theorem of Componendo?

c) If a : b = c : d, then a : a + b = c : c + d

a) If a : b = c : d, then a + b = c + d

b) If a : b = c : d, then a : c = b : d

c) A relationship between two quantities of the same kind.

a) A statement expressed as an equivalence of two quantities.

b) A relationship between two quantities of different kinds.

What is a proportion?

b) A statement expressed as an equivalence of two ratios.

a) A relationship between two quantities of different kinds.

c) A statement expressed as an equivalence of two quantities.

What is direct variation?

a) Two quantities are related in such a way that increase (decrease) in one quantity causes an increase (decrease) in the other quantity.

b) Two quantities are related in such a way that when one quantity increases, the other decreases.

c) Two quantities are not related to each other.

What is inverse variation?

b) Two quantities are related in such a way that when one quantity increases, the other decreases.

a) Two quantities are related in such a way that increase (decrease) in one quantity causes an increase (decrease) in the other quantity.

c) Two quantities are not related to each other.

What is the Theorem of Invertendo?

a) If a : b = c : d, then b : a = d : c.

b) If a : b = c : d, then a : c = b : d.

c) If a : b = c : d, then a + b : b = c + d : d.

What is the Theorem of Alternando?

b) If a : b = c : d, then a : c = b : d.

a) If a : b = c : d, then b : a = d : c.

c) If a : b = c : d, then a + b : b = c + d : d.

What is the Theorem of Componendo?

c) If a : b = c : d, then a + b : b = c + d : d and a : a + b = c : c + d.

a) If a : b = c : d, then b : a = d : c.

b) If a : b = c : d, then a : c = b : d.

G10 Math Ch1-Ch-5 Quiz

132 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(i) If a, /3 are the roots of 3x^2 + Sx - 2 = 0, then a+ /3 is:

(a) ¾

(b) -¾

(c) -i

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(ii) If a, /J are the roots of 7x^2 -x + 4 = 0, then a/J is:

(a) l

(b) -1

(c) i

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(iii) Roots of the equation 4x^2 - Sx + 2 = 0 are:

(a) irrational

(b) imaginary

(c) rational

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(iv) Cube roots of -1 are:

(a) -1, -co, -CO2

(b) -1, CO, -CO2

(c) -1, -co, co2

(d) 1, -co, -CO2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(v) Sum of the cube roots of unity is:

(a) 0

(b) 1

(c) -1

(d) 3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(vi) Product of cube roots of unity is:

(a) 0

(b) 1

(c) -1

(d) 3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(vii) If b^2 - 4ac < 0, then the roots of ax^2 +bx+ c = 0 are:

(a) irrational

(b) rational

(c) imaginary

(d) none of these

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G10 Math Ch1-Ch-5

(i) If a, /3 are the roots of 3x^2 + Sx - 2 = 0, then a+ /3 is:

(ii) If a, /J are the roots of 7x^2 -x + 4 = 0, then a/J is:

(iii) Roots of the equation 4x^2 - Sx + 2 = 0 are:

(iv) Cube roots of -1 are:

(v) Sum of the cube roots of unity is:

(vi) Product of cube roots of unity is:

(vii) If b^2 - 4ac < 0, then the roots of ax^2 +bx+ c = 0 are:

(viii) If b^2 - 4ac > 0, but not a perfect square then roots of ax^2 + bx+ c = 0 are:

(ix) 1x + 7J is equal to:

(x) a^2 + /3^2 is equal to:

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