MATHEMATICS HIGH SCHOOL

How do you factor 3x^2-7x-2

Answers

Answer 1

Answer:

3x^2-7x-2

doesn't factor

You can not factor this

I hope that's help !

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Whats the work for 0>3x-3-6

Answers

Hi Scotti

0>3x-3-6

0>3x-9

Now flip

3x-9<0

We need to add 9 to both sides

3x-9+9<0+9

3x<9

Divide both sides by 3 so we can find the value for x

3x/3<9/3

x<3

I hope that's help :)

Which of the following is the graph of 2x + 3y = 6?

Answers

Taking point (0,-2) of graph one and replacing in the equation;
2x+3y=6
2(0)+3(-2)=6
-6=6
So graph isn't the required graph.

Taking point (0,2) of graph 2;
2x+3y=6
2(0)+3(2)=6
6=6
So, graph 2 is the required graph.

Answer:

Option (c) is correct.

Step-by-step explanation:

Given : Equation of line 2x + 3y = 6

We have to graph the given equation

Consider the given equation of line 2x + 3y = 6

We first find the points for different values of x and y

And then plot these points.

1) Put x = 0

We get ,

3y = 6

y = 2

2) Put y = 0

We get,

2x = 6

x = 3

Thus, we get the points (0, 2) and (3,0)

Now plot these to obtain a line, we get, see attchment

Option (c) is correct.

Bella is 10 5/12 years old. Franco is 12 7/12 years old. What is the difference in their ages? Write in simplest form.

Answers

The answer is 2 1/6. 12 7/12 - 10 5/12 is 2 2/12 which you can simplify to 2 1/6

What is the square root of 13 squared

Answers

The given expression is simplified to 13.

What is the square root?

The square root of a number is the inverse operation of squaring a number. The square of a number is the value that is obtained when we multiply the number by itself, while the square root of a number is obtained by finding a number that when squared gives the original number.

Given that, √13²

Now, √13²= $(13^2)^{(1)/(2) }= 13^{(2)/(2) }$