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Nookie1986 [14]
3 years ago
7

Q3.Find whenน”a) y = x(x + 3)​

Mathematics
2 answers:
Kitty [74]3 years ago
5 0

Answer:

y = x² + 3x

Step-by-step explanation:

y = (x * x) + (3 * x)

y = x² + 3

OlgaM077 [116]3 years ago
5 0

\sf a) \: y =  x(x + 3)

\sf \implies y = x(x + 3)

\sf \implies y = (x \times x) + (x \times 3)

\sf \implies y =  {x}^{2}  + 3x

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Calculate the gradient of the line using rise/run method.
Lapatulllka [165]

Given:

The graph of line.

To find:

The gradient of the line using rise/run method.

Solution:

We know that the gradient of a line is also known as slope.

Slope=\dfrac{Rise}{Run}

Consider the two intercepts, then rise is distance between origin and y-intercept and run is the distance between origin and the x-intercept. But rise must be negative because the value of y decreased from 3 to 0.

Rise=-3

Run=2

Now,

Slope=\dfrac{Rise}{Run}

Slope=\dfrac{-3}{2}

The gradient of the line is -\dfrac{3}{2}.

Therefore, the correct option is C.

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3 years ago
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Vaselesa [24]

Answer: negative 6

Step-by-step explanation:

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8 0
2 years ago
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Lorico [155]

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Step-by-step explanation:

4 0
3 years ago
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If A = (0, 0) and B = (6, 3), what is the length of ? A.7.73 units B.6.24 units C.5.20 units D.6.71 units
ExtremeBDS [4]
Given two points A(x₁,y₁) and B(x₂,y₂) the distance betwen these points will be:
dist(A,B)=√[(x₂-x₁)²+(y₂-y₁)²].

We have these points: A(0,0) and B(6,3); its distance will be:

dist(A,B)=√[(6-0)²+(3-0)²]
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=√(36+9)
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3 years ago
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Answer:

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3 years ago
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