Math, asked by SaWaRaSeNai, 2 days ago

Complete the table below and write your answer on a separate sheet of

paper.

1. {2x − 3y = −7
2x − 3y = 8

2. {x − y = −5
x + y = 1

3. {x + y = 1
3x + 3y = 3

Slope-intercept form ll Slope ll Y-intercep ll Number of Solutions ll Type of System of Linear Equation

1.

2.

3.

RIGHT ANSWER MAY BRAINLIEST

Answers

Answered by harubaikolle
0

sorry I dont know the answer

Answered by hukam0685
5

Step-by-step explanation:

Given:

1)2x - 3y =  - 7 \\ 2x - 3y = 8 \\

2) x - y =  - 5 \\ x  + y = 1 \\

3)x + y =  1 \\ 3x  + 3y = 3 \\

To find: Write Slope-intercept form ll Slope ll Y-intercept ll Number of Solutions ll Type of System of Linear Equation

Solution:

1)

2x - 3y =  - 7 \\ 2x - 3y = 8 \\

Slope intercept form

\bf y = mx + c \\

Thus,

Slope intercept form of line 1:y =  \frac{2}{3} x +  \frac{7}{3}  \\

Slope intercept form of line 2:y =  \frac{2}{3} x  -  \frac{8}{3}  \\

Slope of line 1: m_1 =  \frac{2}{3}  \\

Slope of line 2:m_2 =  \frac{2}{3}  \\

Y- intercept of line 1:(0, \:  \frac{7}{3} ) \\

Y-intercept of line 2:(0, -  \frac{8}{3} ) \\

It is clear that both lines are parallel, because they are having same slope and different Y-intercept.

Number of solution: No solution

Type of system of linear equation: Inconsistent

2)

x - y =  - 5 \\ x  + y = 1 \\

Slope intercept form:

eq1:y = x + 5 \\

eq2:y =  - x + 1 \\

Slope of line 1:m_1 = 1 \\

Slope of line 2:m_2 =  - 1 \\

Y-intercept of line 1:(0,5)

Y-intercept of line 2:(0,1)

No of solution: 1

Because, slope and Y-intercept are different,so lines are intersecting lines.

System of equations: Consistent (unique solution)

3)

x + y =  1 \\ 3x  + 3y = 3 \\

Slope intercept form:

eq1:y = -x + 1 \\

eq2:y =  - x + 1 \\

Slope of line 1:m_1 = -1 \\

Slope of line 2:m_2 =  - 1 \\

Y-intercept of line 1:(0, 1)

Y-intercept of line 2:(0,1)

No of solution: Infinitely many solutions

Because, slope and Y-intercept are same,so lines are coincident lines.

System of equations: Consistent (infinite solutions)

Hope it will help you.

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