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3 years ago

What is the y intercept of the line 2x + 3y - 9 = 0

Mathematics

1 answer:

Sindrei [870]3 years ago

4 0

$\hbox{y-intercept: } x=0 \\
2 \times 0+3 y -9=0 \\
3y-9=0 \\
3y=9 \\
y=\frac{9}{3} \\
\boxed{y=3}$

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Help look at picture!

Luda [366]

Answer:

Step 1: Set x to 0

$-2(0) + y = 3$

$y = 3$

(0, 3)

Step 2: Set x to 1

$-2(1) + y = 3$

$-2 + y + 2 = 3 + 2$

$y = 5$

(1, 5)

Step 3: Set x to 2

$-2(2) + y = 3$

$-4 + y + 4 = 3 + 4$

$y = 7$

(2, 7)

Step 4: Set x to 3

$-2(3) + y = 3$

$-6 + y + 6 = 3 + 6$

$y = 9$

(3, 9)

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3 years ago

Read 2 more answers

1. The following system has NO SOLUTION. Explain with specific values why the system has no solutions.

vovangra [49]

Answer:

Yea that problem is a bit confusing,

2y should be double of what y is, which is 4x+5

Then 2y says 8x+15, when it should be 8x+10.

I feel bad cause I am sure the teacher is wrong on this, he/she had probably made a typo, or you made a typo, but that's ok! We all make typos!

The teacher would be extra rude if they marked you wrong on this, cause the question itself is not written "properly"

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3 years ago

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Bobby describes two lines to Frank, telling him that beginning at point A, line #1 goes up 3 units and to the right 8 units, whi

rodikova [14]

When a line changes position from one point to another, the movement is referred to as transition.

Bobby does not have enough information to make a valid conclusion.

The movements of the lines are given as:

Line 1: 3 units up and 8 units right

Line 2: 8 units down and 3 units right

The given information only describes the movement of both lines, but does not give details about the initial relationship between the lines.

Hence, no valid conclusion can be made with the given information.