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Neporo4naja [7]
10 months ago
5

The two lines graphed below are not parallel. How many solutions are there to

Mathematics
1 answer:
Sonbull [250]10 months ago
5 0

Question

The two lines graphed below are not parallel. How many solutions are there to

the system of equations?

•A. Infinitely many

•B. Two

•C. Zero

•D. One

D: One is the answer

                                                                                                   

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The coordinates below represent two linear equations.
vovikov84 [41]
First write the equations in the slope-intercept form:
y=mx+b \\ \\
m=\frac{y_2-y_1}{x_2-x_1}

Line 1 passes through the points (-6,-6) and (-4,-3).
m=\frac{-3-(-6)}{-4-(-6)}=\frac{-3+6}{-4+6}=\frac{3}{2} \\ \\
(-6,-6) \to x=-6, \ y=-6 \\
-6=\frac{3}{2} \times (-6) + b \\
-6=-9+b \\
b=3 \\ \\ y=\frac{3}{2}x+3

Line 2 passes through the points (0,3) and (2,6).
m=\frac{6-3}{2-0}=\frac{3}{2} \\ \\
(0,3) \to x=0, \ y=3 \\
3=\frac{3}{2} \times 0 + b \\
b=3 \\ \\
y=\frac{3}{2}x+3

These are two identical lines so the system of equations has infinitely many solutions. The answer is D.
7 0
3 years ago
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WILL GIVE BRAINLIEST: if the roots of the equation x^3 +px^2+qx+r = 0 are 2, 3, and 4, find the values of p, q, and r.
klasskru [66]
8+4p+2q+r=0
27+9p+3q+r=0
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P=-9
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5 0
2 years ago
Two fields at a state park are 1,000 maters from each other. On a map, the two fields are 8 centimeters apart. what scale is the
marshall27 [118]

Answer:

\frac{1cm}{125 meters}

Step-by-step explanation:

To find the scale, we write a ratio of \frac{map}{real world} and simplify.

We know \frac{map}{real world}=\frac{8cm}{1000 meters}.

We simplify to \frac{1cm}{125 meters}

8 0
3 years ago
There are 273 students in the 7th grade. If the
Elanso [62]

Answer:

Each teacher will have 21 students

Step-by-step explanation:

273 divded by 21 = 21

4 0
2 years ago
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879,100 rounded to the nearest ten thousand
faust18 [17]
880,000 is the answer
5 0
3 years ago
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