2 years ago

If P (2,4) divides the line joining A (-1,0) and B (a,b) internally in the ratio 1:2,find the values of a and b?

Mathematics

1 answer:

Troyanec [42]2 years ago

8 0

Answer:

a=8, b=12

Step-by-step explanation:

You can use section formula

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-6x + 3y = 9 10x + 4y = -6

Stells [14]

Step-by-step explanation:

(-6x +3y=9 )×4

( 10x+4y)×3

-24x +12y =36

30x+12y= -18

-24x+12y- (30x+12y)= 36-(-18)

-54x = 54

x= -1

by using 10x +4y = -6

apply x= -1

-10+4y= -6

4y= -6 +10

4y=4

y=1

so the answer is x=-1 and y= 1

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2 years ago

Rewrite 23/25 and 9/10 so they have a common denominator

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2 years ago

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telo118 [61]

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3 years ago

HELP!!! Use the factor Theorem to determine whether the binomial x+1 is a factor of the polynomial function f(x) =2x^3-9x^2+13x-

Dovator [93]

ANSWER

A. No because f(c)=-30

EXPLANATION

The given polynomial is

$f(x) =2x^3-9x^2+13x-6$

If x+1 is a factor , then f(-1) must evaluate to zero.

$f( - 1) =2( - 1)^3-9( - 1)^2+13( - 1)-6$

$f( - 1) =2( - 1)-9( 1)+13( - 1)-6$

$f( - 1) = - 2-9 - 13-6$

$f( - 1) = -11 - 19$

$f( - 1) = - 30$

Since f(-1) is not equal to zero, x+1 is not a factor of

$f(x) =2x^3-9x^2+13x-6$

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3 years ago

If P (2,4) divides the line joining A (-1,0) and B (a,b) internally in the ratio 1:2,find the values of a and b?​

If P (2,4) divides the line joining A (-1,0) and B (a,b) internally in the ratio 1:2,find the values of a and b?