2 years ago

1) Find 0.2+(-0.6). » Model the expression on the number line

Mathematics

1 answer:

Temka [501]2 years ago

5 0

Answer:

-0.4

Step-by-step explanation:

If using a number line, start at 0.2 and go backwards 0.6 to get to -0.4

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Eliminate the parameter

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Step-by-step explanation:

In the question given correct parameter is - 2) $y = x -2, x\geq 1$

Method -

$x= t^2 + 1$ ........................(1)

$y = t^2 - 1$ ..........................(2)

Let's solve the equation 1,

⇒ $x = t^2 +1$

⇒ $t^2 = x - 1$

Put the value of t² in equation 2

$y =t^2 - 1 \\y = x -1 -1\\y = x - 2$

Here we got the y parameter as $y = x -2$

So the option no .2 is the correct option 2) $y = x -2, x\geq 1$

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