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igomit [66]
3 years ago
6

Find the equation of a line that passes through the point (-2,3) and has a gradient of 3.

Mathematics
1 answer:
nadya68 [22]3 years ago
5 0

Answer:

y = 3x+9

Step-by-step explanation:

The standard form of equation of a line is in the form y = mx + c

m is the gradient

c is the y intercept

Get the y-intercept

Substitute m = 3 and the point (-2, 3) into the formula y = mx+c

3 = 3(-2) + c

3 = -6+c

c = 3+6

c = 9

Get the required equation;

y = 3x + 9

Hence the required equation is y = 3x+9

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Ivenika [448]
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4 0
3 years ago
I need help with this. How does one make 4 DIFFERENT equations for the SAME four points.
vichka [17]

Answer:

You put a equal sign or if its one equation then put a addition or subtraction sign etc.

Step-by-step explanation:

6 0
3 years ago
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Compute 33(0.5) - 6(0.5) - 7/2.
lora16 [44]
Hi there! The answer is 10.

33(0.5) - 6(0.5) -  \frac{7}{2}
We can use PEMDAS (Parenthesis, exponents, multiply, divide, add, subtract) to find our answer.

Since we cannot work inside the parenthesis in this question and since we don't have exponents, we can move on to multiplying.
16.5 - 3 -  \frac{7}{2}

Our next step would be subtracting. To make the process of subtracting some easier, I'll first change the fraction into a decimal.
16.5 - 3 - 3.5

Finally subtract.
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~ Hope this helps you!
5 0
3 years ago
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The circumference of a circle is 18.84 miles. What is the circle's radius? C=18.84
Mama L [17]
We can find the radius by using the formula: C = 2(pi)(r)
We'll use 3.14 for pi.

And solve for r.

18.84 = 2(3.14)r ; Start
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3 = r                     ; Divide both sides by the coefficient of r. Which is 6.28

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7 0
3 years ago
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lozanna [386]

Answer:

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Step-by-step explanation:

The equation in vertex form is

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2=a(1-2)^2 - 4 \\ \\ 2=a-4 \\ \\ a=6 \\ \\ \therefore f(x)=6(x-2)^2-4

8 0
2 years ago
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