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sveta [45]
3 years ago
14

Which best describes the vertex of the graph?

Mathematics
2 answers:
nydimaria [60]3 years ago
8 0

Answer: C

Step-by-step explanation:

Yanka [14]3 years ago
7 0
C. Is the answer for sure
You might be interested in
Evaluate 1/4c+3d when c=6 and d=7
labwork [276]

\dfrac{1}{4}c+3d

Put the values of c = 6 and d = 7 to the expression:

\dfrac{1}{4}\cdot6+3\cdot7=\dfrac{1}{2}\cdot3+21=1.5+21=22.5

5 0
3 years ago
Find an equation of the line passing through the pair of points. Write the equation in the form Ax +By = C.
Alexxandr [17]

9514 1404 393

Answer:

  5x -y = -37

Step-by-step explanation:

One way to find the coefficients A and B is to use the differences of the x- and y-coordinates:

  A = Δy = y2 -y1 = 2 -(-3) = 5

  B = -Δx = -(x2 -x1) = -(-7 -(-8)) = -1

Then the constant C can be found using either point.

  5x -y = 5(-7) -2 = -37

The equation of the line is ...

  5x -y = -37

_____

<em>Additional comment</em>

This approach comes from the fact that the slope of a line is the same everywhere.

  \dfrac{y-y_1}{x-x_1}=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{\Delta y}{\Delta x}\\\\\Delta x(y-y_1)=\Delta y(x-x_1)\qquad\text{cross multiply}\\\\\Delta y(x-x_1)-\Delta x(y-y_1)=0\qquad\text{subtract y term}\\\\\Delta y(x) -\Delta x(y) = \Delta y(x_1)-\Delta x(y_1)\qquad\text{Ax+By=C form}

The "standard form" requires that A be positive, so we chose point 1 and point 2 to make sure that was the case.

5 0
2 years ago
How many one and one-halves are in six?
sergeinik [125]
1 and 1/2 is the same as 1.5 and 1.5 * 4 is 6 so I would say 4
6 0
3 years ago
Which of the following shows the true solution to the logarithmic equation 3 log Subscript 2 Baseline (2 x) = 3 x = negative 1 x
s2008m [1.1K]

Answer:

x = 1

Step-by-step explanation:

Using the rules of logarithms

log x^{n} ⇔ n log x

log_{b} x = n ⇔ x = b^{n}

Given

3log_{2} (2x) = 3

log_{2} (2x)³ = 3

(2x)³ = 2³

8x³ = 8 ( divide both sides by 8 )

x³ = 1 ( take the cube root of both sides )

x = 1

7 0
3 years ago
HELP
Ira Lisetskai [31]

Answer:

166

Step-by-step explanation:

5/2=2.5

415/2.5

=166

8 0
3 years ago
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