In the xy-plane, the point (p,r) lies on the line with equation y=x+b, where b is a constant. The point with coordinates (2p,5r) lies on the line with equation y=2x+b. If p≠0, what is the value of
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In the xy-plane, the point (p, r) lies on the line with equation y = x + b, where b is a constant and the point with coordinates (2p, 5r) lies on the line with equation y = 2x + b. If p ≠ 0, what is the value of r/p?
According to your question:
According to your question:y=x+b (given)
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)5r=4p+b (because 2p, 5r satisfy the equation)
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)5r=4p+b (because 2p, 5r satisfy the equation)5r-4p=b ———— 2
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)5r=4p+b (because 2p, 5r satisfy the equation)5r-4p=b ———— 2Equations 1 and 2 form pair of linear equations in two variables r and p. Solving equation 1 and 2 we get
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)5r=4p+b (because 2p, 5r satisfy the equation)5r-4p=b ———— 2Equations 1 and 2 form pair of linear equations in two variables r and p. Solving equation 1 and 2 we getr=-3b
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)5r=4p+b (because 2p, 5r satisfy the equation)5r-4p=b ———— 2Equations 1 and 2 form pair of linear equations in two variables r and p. Solving equation 1 and 2 we getr=-3bp=-4b
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)5r=4p+b (because 2p, 5r satisfy the equation)5r-4p=b ———— 2Equations 1 and 2 form pair of linear equations in two variables r and p. Solving equation 1 and 2 we getr=-3bp=-4bNow,
According to your question:y=x+b (given)r=p+b (because p, r satisfy the equation)r-p=b ———— 1y=2x+b (given)5r=4p+b (because 2p, 5r satisfy the equation)5r-4p=b ———— 2Equations 1 and 2 form pair of linear equations in two variables r and p. Solving equation 1 and 2 we getr=-3bp=-4bNow,r/p=-3b/-4b=3/4
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Answer:
- Point (p , r) lies on (y = x + b)
- Point (2p , 5r) lies on (y = 2x + b)
- Find the value of r/p
From the first statement
Since (p , r) lies on the line with equation (y = x + b), it will satisfy the equation :
⇢ r = p + b⠀⠀⠀— eq. ( I )
From the second statement
Point (2p , 5r) lies on the line with equation (y = 2x + b), it will satisfy the equation :
⇢ 5r = 2(2p) + b
⇢ 5r = 4p + b⠀⠀⠀— eq. ( II )
⠀⠀⠀⠀⠀───────────────
• Subtracting eq. ( I) from eq. ( II) :
⇒ 5r = 4p + b
⇒⠀r = p + b
⠀ –⠀ –⠀ –
______________
⇒ 4r = 3p
⇒ r/p = 3/4
∴ Hence, the required value of r/p is ¾.