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solniwko [45]
3 years ago
13

PLEASE HELP ASAP FOR MATH!!!!!

Mathematics
2 answers:
san4es73 [151]3 years ago
8 0

Hi !

Answer : -1.8

Difficult to explain here, so I put a graph as explanation and prove.

\dfrac{1}{-1.8+2}=\dfrac{1}{0.2}=5\\\\(-1.8)^2+2=3.24+2=5.24

Lady bird [3.3K]3 years ago
6 0
Hi !

Answer : -1.8

<em>Difficult to explain here, so I put a graph as explanation and prove.</em>

\dfrac{1}{-1.8+2}=\dfrac{1}{0.2}=5\\\\(-1.8)^2+2=3.24+2=5.24

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CaHeK987 [17]

Answer:

y = -\frac{1}{2}x + 2

Step-by-step explanation:

Assume this is function is a straight line, consider the equation of the straight line: y=mx + c

To find the gradient of the equation, we use any two coordinates from the table. (x_1,y_1) = (6,-1)\\(x_2,y_2) =(2,1)

m = \frac{y_1 - y_2}{x_1 - x_2}\\\\m = \frac{1-(-1)}{2-6}\\\\m=\frac{2}{-4} \\\\m=- \frac{1}{2}

We substitute the value of m in the equation:

y =mx+c\\y = - \frac{1}{2} x + c\\\\

To find c, we use the leftover coordinates, (4,0) in the equation above:

y = -\frac{1}{2}x+c\\\\0 = -\frac{1}{2} \times 4+c\\\\0 = -2 + c\\\\c=2\\\\

Substitute this value of c in the equation to get the function:

y = -\frac{1}{2}x + 2

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