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Valentin [98]
3 years ago
8

5x - 6y = 0 y = x solve the system by substitution. a. no solution b. coincident c. (0, 0)

Mathematics
1 answer:
tatiyna3 years ago
8 0

Answer:

<h2>c. (0, 0)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}5x-6y=0&(1)\\y=x&(2)\end{array}\right\\\\\text{Put (2) to (1):}\\\\5x-6x=0\\-x=0\to x=0\\\\\text{Put it to (2):}\\\\y=0

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nydimaria [60]

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the first box

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Step-by-step explanation:

4 0
2 years ago
Help please!
Anna71 [15]

Answer:

y= -4x^2 + 15x - 14

Step-by-step explanation:

A parabola is always in the form y = ax^2 + bx + c.

Substitute each point to produce different equations:

-14 = 0a + 0b + c = c

so c = -14

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so a + b = 11

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so 4a + 2b = 14

if we double a + b = 11 we get 2a + 2b = 22

Subtract this from 4a + 2b = 14 and we get 2a = -8 so a= -4 and b = 11 - a = 15

We don't need to use the (3,5) points as we have all the information we need.

4 0
3 years ago
Read 2 more answers
Rotundo to the nearest 10 of 569
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What quadratic function does the graph represent?
nekit [7.7K]

Answer:

f(x)=-\frac{1}{3}(x-2)^2+4,

Step-by-step explanation:

The function of the graph can be written in the vertex form as

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We substitute the value to obtain;

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The point (5,1) lies on the graph so we use it to determine the value of a.

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The required equation is

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3 years ago
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