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3 years ago

Graph 1 Zeros: X-intercepts: Y-Intercept(s) Local Max Local Min

Mathematics

1 answer:

Umnica [9.8K]3 years ago

3 0

Answer:

zero because the best work i know hello how are you today

Step-by-step explanation:

local market today

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Hey can someone tell me the steps to solving a system of equations with graphing

ryzh [129]

Answer:

Let's go through the following example to show how to solve a system of equations by graphing. I won't solve this system, I will just show how to.

$8x-3y = 17\\4x+y=21$

<h3>If you can use an online graphing calculator...</h3>

If you have an online grapher (like Desmos) at your disposal, then you can put each equation in it as it is.

Lines intersect -> Put your cursor over the point of intersection to get the solution.
Lines never intersect -> The lines are parallel and there is no solution
Lines perfectly fall on each other -> The lines are the same and have infinite solutions

<h3>If you have a physical graphing calculator (like TI-84)</h3>

1. Get both equations in the form $y=mx+b$ by solving for y.

$8x-3y=17\\-3y=-8x+17\\y=\frac{8}{3}x-\frac{17}{3}$ $4x+y=21\\y=-4x+21$

2. Put both equations in the graphing calculator

Lines intersect -> Find the intersection point using your graphing calculator's mechanics (each one is a little different)
Lines never intersect -> The lines are parallel and there is no solution
Lines perfectly fall on each other -> The lines have the same equation and have infinite solutions

<h3>If you just have graphing paper...</h3>

1. Get both equations into the form $y=mx+b$ by solving for y.

$8x-3y=17\\-3y=-8x+17\\y=\frac{8}{3}x-\frac{17}{3}$ $4x+y=21\\y=-4x+21$

2. Plug in a few different points for x and calculate their y-values.

3. Plot those points on the graph paper

Lines intersect -> Find the intersection point's coordinates to get the solution for x and y.
Lines never intersect -> The lines are parallel and there is no solution
Lines perfectly fall on each other -> The lines have the same equation and have infinite solutions.

4 0

2 years ago

Im slow learner so helpp

stira [4]

The answer is 3
You can tell by looking at the graph.
This isn’t a very specific answer but trust me, it’s right.

4 0

3 years ago

I need help on this question

vlada-n [284]

<h2>Answer:</h2><h2>Angle ABE = 115.5°</h2><h2>Angle DBE = 25.5°</h2>

Hope this will help you lot.

5 0

3 years ago

4. Diego is thinking of two positive numbers. He says, "If we triple the first number and

aleksandr82 [10.1K]

Answer:

3x + 2y = 34. and two possible pairs of positive numbers are (x, y) = (10, 2) and (x, y) = (4, 11).

Step-by-step explanation:

Let the First positive number be x and second positive number be y.

Triple of first number = 3x

double of second number = 2y

According to question,

3x + 2y = 34

Therefore, the equation is 3x + 2y = 34

So the two possible pair of numbers Diego would be thinking of must satisfy the equation 3x + 2y = 34

Now, 3x + 2y = 34

3x = 34 - 2y

Let x = 10 and by substituting its value in above expression,

$3 \times 10 = 34 - 2y$

$30 = 34 - 2y$

$2y = 34 - 30$

$2y = 4$

$y = 2$

Therefore first pair (x, y) = (10, 2)

In the same way put x = 4 then,

3x = 34 - 2y

$3 \times 4 = 34 - 2y$

$2y = 34 - 12$

$2y = 22$

$y = 11$

Therefore first pair (x, y) = (4, 11)

Therefore, (x, y) = (4, 11) and (x, y) = (10, 2) are the two possible pairs of numbers Diego could be thinking of as these both values satisfy the equation 3x + 2y = 34.

8 0

3 years ago

Find the x- and y-intercepts of the graph of -6 + y = 20. State your answers as

Jobisdone [24]

Answer:

y=26 (no x ) the y int is 26 I believe

Step-by-step explanation:

8 0

3 years ago