3 years ago

How do you put pictures on this app??

Mathematics

1 answer:

Nana76 [90]3 years ago

3 0

go to your profile click on picture and you can add one

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Which of the following lines has a slope of -1/2?<br> x + 2y = 0<br> -x + 2y = 0<br> x - 2y = 0

emmainna [20.7K]

Answer:

x + 2y = 0

Step-by-step explanation:

x + 2y = 0

2y = -x

y = -1/2x

y = mx + b m: slope

m = - 1/2

6 0

3 years ago

Read 2 more answers

Simplify the expression.<br>-9(-5-4c)=?

Nataliya [291]

Answer:

45 + 36c

Step-by-step explanation:

$-9(-5-4c)\\\\\boxed{45+36c}\\\\\left \{ {{-9*-5=45} \atop {-9*-4c=36c}} \right.$

Hope this helps.

7 0

3 years ago

The exponential function f intersects the x-axis at the point (2,0) and intersects the y-axis at the point (0,-5.25) If g(x) = 3

Ivanshal [37]

The rate of change of g is given by its gradient, which is 3.

The average rate of change of f in [0, 2] can be calculated by taking:

$\frac{0 - (-5.25)}{2 - 0} = \frac{5.25}{2} = 2.625$

So, the average rate of change of f is less than the average rate of change of g in the interval [0, 2].

Statement 2 is correct.

3 0

3 years ago

What is the parent function of y=5x-2

bezimeni [28]

I think the parent function is

y=x

3 0

3 years ago

Write the equation of the line that passes through (−3, 5) and (2, 10) in slope-intercept form.

alexgriva [62]

Since slope-intercept form is y = mx + b where m is slope and b is the y-intercept, so to find what the equation of the line is, you need to find the values of both variables.

The equation for slope is (change in y)/(change in x), or y/x.
You can set up the equation like this;
[tex] m= \frac{y2-y1}{x2-x1}\\
m=\frac{10-5}{2-(-3)} \\
m=\frac{5}{2+3}\\
m=\frac{5}{5}
m=1 [tex]
So the slope of the line is 1.

To find the y-intercept, solve y = (1)x + b for b;
[tex] y=x+b\\
b=y-x [tex]
Plug the values of a point in for x and y;
[tex] b=10-2\\
b=8 [tex]

This brings your final equation to be [tex] y=x+8 [tex].

5 0

3 years ago