Question 38In direct proportion- a1-b1a2-b2-

Name: EXEMP - Grade 08 - MATHEMATICS - Direct and Inverse Proportions - Q38
Uploaded: 2022-07-04T10:36:42+05:30
Description: In direct proportin, a_1/b_1=a_2/b_2 where, a_1/a_2=k (constant) ...

In direct proportin, a_1/b_1=a_2/b_2 where, a_1/a_2=k (constant) ...

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Standard VIII

Mathematics

Direct Variation

Question 38In...

Question

Question 38

In direct proportion, $\frac{a_{1}}{b_{1}}$ ___ $\frac{a_{2}}{b_{2}}$ .

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Solution

In direct proportin,
$\frac{a_{1}}{b_{1}} = \frac{a_{2}}{b_{2}}$
where, $\frac{a_{1}}{a_{2}}$ =k (constant)

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Similar questions

Question 38

In direct proportion, $\frac{a_{1}}{b_{1}}$ ___ $\frac{a_{2}}{b_{2}}$ .

Q. If the lines represented by

a x^{2} + 2 h x y + b y^{2} = 0

are

u = a_{1} x + b_{1} y = 0

and

v = a_{2} x + b_{2} y = 0

and are coinciding then:
(a)

\frac{a_{1}}{b_{1}} = \frac{a_{2}}{b_{2}}

(b)

\frac{a_{1}}{b_{1}} \neq \frac{a_{2}}{b_{2}}

(c)

a_{1} a_{1} = b_{1} b_{1}

(d)

a_{1} a_{1} + b_{1} b_{1} = 0

Q. Question 38

In the question given below, fill in the blank to make the statement true:

a^{2} - b^{2} = (a + b)

___

\begin{matrix} A & B A_{1} & B_{1} A_{2} & B_{2} \end{matrix}

If A and B are in inverse proportion, then which of the following is true?

Q. Area of the triangle formed by

(a_{1}, b_{1}) (a_{2}, b_{2}) (a_{3}, b_{3})

is given by

\frac{1}{2} ∣ ∣ ∣ ∣ \begin{matrix} a_{1} & b_{1} & a_{2} a_{2} & b_{2} & a_{3} a_{3} & b_{3} & a_{1} \end{matrix} ∣ ∣ ∣ ∣

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Direct Variation

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Question 38 In direct proportion, a1b1___a2b2.

In direct proportin, a1b1=a2b2 where, a1a2=k (constant)

Question 38

In direct proportion, $\frac{a_{1}}{b_{1}}$ ___ $\frac{a_{2}}{b_{2}}$ .

In direct proportin,
$\frac{a_{1}}{b_{1}} = \frac{a_{2}}{b_{2}}$
where, $\frac{a_{1}}{a_{2}}$ =k (constant)