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Fiona wrote the linear equation y = x-5. When Henry wrote his equation, they discovered that his equation had all the same solutions as Fiona's. Which equation could be Henry's? 1) x - 2y = 25 2) x - 2y = 25 3) x - ²y = 25 4) x - ²y = 25

User Mike Yan
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2 Answers

6 votes

Final answer:

The equation that could be Henry's is x - ²y = 25 (option 4). It has the same solution as Fiona's equation, y = x-5.

Step-by-step explanation:

The equation that could be Henry's is x - ²y = 25 (option 4).

This equation has the same solution as Fiona's equation, y = x-5, because the coefficients of x and y are the same.

By rewriting Henry's equation in slope-intercept form, we get y = -1/2x + 25/2. This equation has a slope of -1/2 and a y-intercept of 25/2.

User Otis
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2 votes

Henry's equation with the same solutions as Fiona's
\(y = (2)/(5)x - 5\) is Option B:
\(x - (5)/(2)y = (25)/(4)\).

Let's start by rewriting Fiona's equation in a more standard form, which is the slope-intercept form y = mx + b, where m is the slope and b is the y-intercept:

Fiona's equation:
\(y = (2)/(5)x - 5\)

Comparing Fiona's equation with the standard form, we can see that the slope of her equation is
\(m = (2)/(5)\).

For Henry's equation to have all the same solutions as Fiona's, it needs to have the same slope and different constants. Let's check the given options:

Given Options:

A.
\(x - (5)/(4)y = (25)/(4)\)

B.
\(x - (5)/(2)y = (25)/(4)\)

C.
\(x - (5)/(4)y = (25)/(2)\)

D.
\(x - (5)/(2)y = (25)/(2)\)

Analyzing Henry's Equation:

The slope-intercept form of Henry's equation should have the same slope as Fiona's
(\((2)/(5)\)). Let's rearrange the given options to see their slope-intercept forms:

A.
\(x - (5)/(4)y = (25)/(4)\) rearranges to
\(y = (4)/(5)x - (5)/(4)\). This equation doesn't match Fiona's equation.

B.
\(x - (5)/(2)y = (25)/(4)\) rearranges to
\(y = (2)/(5)x - (5)/(2)\). This equation matches Fiona's equation.

C.
\(x - (5)/(4)y = (25)/(2)\) rearranges to
\(y = (4)/(5)x - (25)/(4)\). This equation doesn't match Fiona's equation.

D.
\(x - (5)/(2)y = (25)/(2)\) rearranges to
\(y = (2)/(5)x - (25)/(2)\). This equation doesn't match Fiona's equation.

Therefore, among the given options, Option B
(\(x - (5)/(2)y = (25)/(4)\)) represents an equation that has the same solutions as Fiona's equation
\(y = (2)/(5)x - 5\).

Question:

Fiona wrote the linear equation
\(y = (2)/(5)x - 5\). When Henry wrote his equation they discovered that his equation had all the same Solutions as fionas. which equation could have been Henry's.

A.
\(x- (5)/(4)x = (25)/(4) \)

B.
\(x- (5)/(2)x = (25)/(4) \)

C.
\(x- (5)/(4)x = (25)/(2) \)

D.
\(x- (5)/(2)x = (25)/(2) \)

User Dandikas
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