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2 years ago

Make a table with integer values of x from 1 to 4

Mathematics

1 answer:

Jet001 [13]2 years ago

8 0

So we see our equation, clear:
y=8^x
Let's just plug in values of x from 1-4.
y= 8^1=8; So, it would be (1,8).
y= 8^2=64; So, it would be (2, 64).
y = 8^3= 512; So, it would be (3,512).
y= 8^4 = 4096; So, it would be (4, 4096).

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The graph 4x^2-4x-1 is shown. Use the grpah to find the estimates for the solutions of 4x^2-4x-1=0 and 4x^2 - 4x-1=2

Darina [25.2K]

Answer:

a) The estimates for the solutions of $4\cdot x^{2}-4\cdot x -1 = 0$ are $x_{1}\approx -0.25$ and $x_{2} \approx 1.25$ .

b) The estimates for the solutions of $4\cdot x^{2}-4\cdot x -1 = 2$ are $x_{1}\approx -0.5$ and $x_{2} \approx 1.5$

Step-by-step explanation:

From image we get a graphical representation of the second-order polynomial $y = 4\cdot x^{2}-4\cdot x -1$ , where $x$ is related to the horizontal axis of the Cartesian plane, whereas $y$ is related to the vertical axis of this plane. Now we proceed to estimate the solutions for each case:

a) $4\cdot x^{2}-4\cdot x -1 = 0$

There are two approximate solutions according to the graph, which are marked by red circles in the image attached below:

$x_{1}\approx -0.25$ , $x_{2} \approx 1.25$

b) $4\cdot x^{2}-4\cdot x -1 = 2$

There are two approximate solutions according to the graph, which are marked by red circles in the image attached below:

$x_{1}\approx -0.5$ , $x_{2} \approx 1.5$

5 0

2 years ago

A scale reports a 15-pound weight as weighing 12.375 pounds. Which of the following is true?

rusak2 [61]

Answer:

Step-by-step explanation:

If it is accurate then it would have gotten the correct weight, but by going down to the thousandths it would be precise

4 0

3 years ago

Read 2 more answers

Which of the following arguments correctly justifies the second step of the flow proof of the triangle angle sum theorem below

pochemuha

We need to see the second step of the proof, so we know what needs to be justified. It would also be nice to see the list of answer choices. I'll never understand how someone who can't answer the question and has to ask someone else can then go ahead and decide that the person helping him only needs to see parts of the question.

8 0

2 years ago

Are the following expressions equivalent? Why or why not? <br> 6(2x + 4) and 12x + 24

MrMuchimi

Answer: Yes

Step-by-step explanation:

When using the distributive property, 6(2x + 4) becomes 12x + 24

6 * 2x = 12x and 6 * 4 = 24

12x + 24 = 12x + 24

Therefore, the expressions are equivalent.

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2 years ago

A basketball hoop has a circumference of 144 cm.what is its diameter

levacccp [35]

$Formula\ for\ circumference \ of\ circle:\ \ \ 2 \pi r\\\\
144= 2 \pi r\ \ \ \ | divide\ by\ 2 \pi\\\\
r=\frac{72}{\pi}cm\\\\diameter=2radius\\\\
diameter=2r=2*\frac{72}{\pi}=\boxed{\frac{144}{\pi}}$

8 0

3 years ago