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2 years ago

Can someone help me for question 9? Pls I need to know how I can solve this question!!

Mathematics

1 answer:

Liula [17]2 years ago

8 0

If you plug in the x and y values for the points (X,Y).
Then you are able to solve for the equation by seeing whether or not it equals the Y value.
Ex. Solving 9a.
Step One Equation and Point (2,0) or (X,Y)
$y = ({x})^{2} - 3(x) + 2$
Step 2 Plug in and solve
$0 = {2}^{2} - 3(2) + 2$
0=4-6+2

0=0

Done and Answer is Yes it does fit.

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Use the properties of operations to determine if each pair of expressions is equivalent

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Solution:

Given that, we have to use the properties of operations to determine if each pair of expressions is equivalent

And the two expressions are:

$\frac{1}{2}(4-2 x) \text { and } 2-2 x$

Now, we know that, there are four (4) basic properties of operations:

Commutative, Associative, Distributive and Identity. These properties only apply to the operations of addition and multiplication.

So, if we observe we can apply distributive property on 1st expression

The distributive property of multiplication states that when a number is multiplied by the sum of two numbers, the first number can be distributed to both of those numbers and multiplied by each of them separately, then adding the two products together for the same result as multiplying the first number by the sum.

$\begin{array}{l}{\frac{1}{2}(4-2 x) \rightarrow \frac{1}{2}(4)-\frac{1}{2}(2 x)} \\\\ {\rightarrow 2-x}\end{array}$

Here the resulting expression is 2 – x and it is not equivalent to 2 – 2x

Hence, the given two expressions are not equal.

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2 years ago

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dexar [7]

Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

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3 years ago

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The answer to the question

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