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Delvig [45]
3 years ago
13

Which of the following are incorrect expressions for slope? Check all that apply.. . A. Change in the dependent variable relativ

e to change in the independent variable. B. x2-x1/y2-y1. C. run/rise. D. delta y/delta x. .
Mathematics
2 answers:
n200080 [17]3 years ago
7 0
A. B. and C. are incorrect expressions for the slope.

m (slope) = rise/run = y2-y1/x2-x1 = change in the independent variable relative to the change in dependent variable 

y is the independent variable and x is the dependent variable
Oxana [17]3 years ago
7 0

Answer:

(B) and (C)

Step-by-step explanation:

The slope or gradient of a line is a number that describes both the direction and the steepness of the line. Slope can be  calculated by finding the ratio of the "vertical change" to the "horizontal change" between two different points on a line.

Thus, from the definition of the slope, we have

(A) Slope=Change in the dependent variable relative to change in the independent variable.

which is correct expression for the slope.

(B) S=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

which is the formula for the slope.

Now, the given option is S=\frac{x_{2}-x_{1}}{y_{2}-y_{1}}

which is incorrect.

(C) The slope of is given as rise over run that is \frac{rise}{run} but the given option is \frac{run}{rise} which is incorrect.

(D) The slope formula is given as:

S=\frac{{\delta}y}{{\delta}x}

which is the correct expression.

Therefore, the options are (B) and (C) which are incorrect expressions for slope

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What is the slope of (0,2) and (-8,-8)?
Doss [256]

Answer: 1.25

Step-by-step explanation:

Step 1: Slope is calculated as y2 - y1/ x2 - x1

Step 2: identify the coordinates, from the stated question, y2 = -8; y1= 2

x2= -8; x1=0

Step 3: slot in the values into the formula

slope= -8 - 2/ -8 - 0

slope = -10/ -8

slope= 1.25

3 0
3 years ago
When x = a is a zero of a polynomial function f, the three statements below are true.
Lunna [17]

Answer:

x = a is a zero of a polinomial f(x), this is the same than: f(x) has a root at x = a

Then: f(a) = 0.

a) x = a is a ____ of the polynomial equation f(x) = 0.

If we define f(x) = 0, then x = a is a solution of the equation.

Then the complete sentence is:

x = a is a solution of the polynomial equation f(x) = 0.

b) ____ is a factor of the polynomial f(x).

Remember that if a polynomial p(x) of degree n has the roots x₁, x₂, ..., xₙ

Then we can write p(x) in the factorized form as:

p(x) = A*(x - x₁)*(x - x₂)*...*(x - xₙ)

Where A is a real number.

Then if in this case we know that a is a root of f(x), then (x - a) is a factor of the polynomial f(x), then the complete sentence is:

(x - a) is a factor of the polynomial f(x).

c) (a, 0) is a ____ of the graph f(x)

We usually use the notation y = f(x).

Then the points of the form (x, f(x)) are the points that belong to the graph of f(x).

In this case, the point (a, f(a)) = (a, 0)

This point belongs to the graph of f(x), then the complete sentence can be written as:

(a, 0) is a point of the graph f(x).

4 0
2 years ago
Order the following fractions from least to greatest<br> 3/8 3/4 5/16 1/2
valentinak56 [21]

Answer:5/16 3/8 3/4 1/2

7 0
3 years ago
Read 2 more answers
Did I do this correctly??please help​
soldier1979 [14.2K]
I’m not sure, hope this helped
5 0
3 years ago
Read 2 more answers
18
asambeis [7]

Answer:

B

Step-by-step explanation:

When we have a horizontal translation on the x-axis, it means the translation in question would be affecting only the x component of our function

With respect to the question, what we have here is that we are going to take out some values from x (or add some values) to it

Thus;

f(x) = x^2 would be;

g(x) = (x-4)^2

Corresponding to a shift to the right of upto 4 units on the x axis

7 0
3 years ago
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