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levacccp [35]
2 years ago
6

How many solutions does this system have?

Mathematics
1 answer:
goblinko [34]2 years ago
5 0

A system of equation may have one, zero or infinitely many solutions

The system of equation has no solutions

The systems of equation are given as:

y = -6x - 5

-2y +7 = 12x

Substitute -6x - 5 for y in -2y +7 = 12x

-2(-6x - 5) +7 = 12x

Open brackets

12x + 10 +7 = 12x

12x + 17 = 12x

Subtract 12x from both sides of the equation

17 = 0

The above equation is not true i.e.17 \ne 0

Hence, the system of equation has no solutions

Read more about solutions of equations at:

brainly.com/question/9338739

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Select the equation in which the graph of the line has a negative slope and the y intercept equals -5
tatuchka [14]

Answer:

Step-by-step explanation:

Next time, please share the possible answer choices.

Since the slope and y-intercept are given here, we can immediately write out the slope-intercept form of the equation of this line:

y = mx + b becomes y = -1x - 5, where I have arbitrarily chosen the negative slope -1.

7 0
4 years ago
Find all the zeros of the equation. -3x^4+27x^2+1200=0 PLEASE HELP and show work
asambeis [7]

Answer: x=−5 or x=5


Step-by-step explanation:

−3x4+27x2+1200=0

Step 1: Factor left side of equation.

−3(x2+16)(x+5)(x−5)=0

Step 2: Set factors equal to 0.

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8 0
3 years ago
What do e and f equal?
Aleks04 [339]
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6 0
3 years ago
What is the equation that represents the line?
Kryger [21]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

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Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, - 6) and (x₂, y₂ ) = (2, - 3) ← 2 points on the line

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To find c substitute either ot the 2 points into the partial equation

Using (2, - 3), then

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y = \frac{3}{4} x - \frac{9}{2} ← equation of line

8 0
3 years ago
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