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3 years ago

What is the equation of a horizontal line passing through the point (-3, 8)?

Mathematics

2 answers:

FrozenT [24]3 years ago

6 0

Answer: y = 8

Step-by-step explanation: Whenever we are given a line and the problem says that it's horizontal or a flat line, we know that the equation of the line will always be in the form "y = a number".

Since we are given that the y-coordinate is 8, that means that

the equation of this line will be y = 8.

djyliett [7]3 years ago

5 0

Answer:

Y=8

Step-by-step explanation:

A horizontal line is going to be parallel to the x-axis, so you need to use your y-value to determine the equation of the line. Your y-value in the coordinate (-3,8) is 8, so y=8

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4 Select the correct answer. Which of these mappings is a function?

melomori [17]

Answer:

? i need a better explanation for ur questoin

Step-by-step explanation:

3 0

3 years ago

Your friend attempted to factor an expression as shown. Find the error in your friends work. Then factor the expression correctl

loris [4]

Answer:

Third step is incorrect. The correct factored form is (x-1)(2x-5).

Step-by-step explanation:

The given expression is

$2x^2-7x+5$

We need to find the factored form of this expression.

Step 1: Given

$2x^2-7x+5$

Step 2: Splitting the middle term method, the middle term can be written as (-5x-2x).

$2x^2-5x-2x+5$

$(2x^2-5x)+(-2x+5)$

Step 3: Taking out common factors from each parenthesis.

$x(2x-5)-1(2x-5)$

Step 4: Taking out common factors.

$(x-1)(2x-5)$

Therefore, the third step is incorrect. The correct factored form is (x-1)(2x-5).

3 0

3 years ago

An example of an equation that is a linear function explain why it is linear

tatuchka [14]

One example of a linear equation is
y = 7x + 4 because the slope is a set number and the graphed version of the equation is a completely straight line.
Hope this helps!

5 0

3 years ago

What is equivalent to 8a-7-29a-8 A. 65a+80 B. -21a-15 C. 3a D. 37a+15

Reptile [31]

Answer:

B. -21a-15

Step-by-step Explanation:

$8a-7-29a-8 \\ \\ = 8a - 29a - 7 - 8 \\ \\ = - 21a - 15$

7 0

3 years ago

Someone help with this question ?????? Hi

8090 [49]

ANSWER

The second statement is the contrapositive of the first.

EXPLANATION

If we have the conditional statement,

$x\Rightarrow \: y$

Then the converse of this statement is
$y\Rightarrow \: x$

The inverse of this statement is
$\neg \: x\Rightarrow \neg \: y$

and the contrapositive of this statement is
$\neg \: y\Rightarrow \neg \: x$

The correct answer is C.

5 0

3 years ago