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ryzh [129]
3 years ago
10

Why would someone choose to use a graphing calculator to solve a system of linear equations instead of graphing by hand? Explain

your reasoning.
Mathematics
2 answers:
Drupady [299]3 years ago
7 0

A graphing calculator is more accurate than graphing by hand. If the slope and/or y-intercept is a fraction or decimal, it is more difficult to accurately graph by hand. Using a calculator might also be more time-efficient because it might accept a line in any form. A calculator’s window can be adjusted quickly instead of having to redraw a graph by hand when adjusting the scale.

3241004551 [841]3 years ago
5 0
Graphing by hand isn’t always accurate and can be stressful when using a graphing calculator it gives you the correct answers and is more reliable
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Find the product of (–d + e)(4e + d). Which statements are true? Check all that apply
vlada-n [284]
(- d + e)(4e + d)
-d*4e - d^2 + 4e^2 + de
-d^2 - 3de + 4e^2

That's the answer to the expansion. Without choices, there is not much else I can do.
6 0
3 years ago
Read 2 more answers
In slope-intercept form, what is the equation of the line passing through the points (2, 13) and (5, 22)
KiRa [710]
(2,13),(5,22)
slope = (22 - 13) / (5 - 2) = 9/3 = 3

y = mx + b
slope(m) = 3
use either of ur points...(2,13)...x = 2 and y = 13
now sub and find b, the y int
13 = 3(2) + b
13 = 6 + b
13 - 6 = b
7 = b
so ur equation is : y = 3x + 7 <===
3 0
3 years ago
Solve and write solution in interval notation 4(x+1)+3&gt;x-5
soldi70 [24.7K]

Answer:

\large\boxed{x\in\left(-\dfrac{13}{3},\ \infty\right)}

Step-by-step explanation:

4(x+1)+4>x-5\qquad\text{use the distributive property}\\\\4x+4+4>x-5\\\\4x+8>x-5\qquad\text{subtract 8 from both sides}\\\\4x>x-13\qquad\text{subtract}\ x\ \text{from both sides}\\\\3x>-13\qquad\text{divide both sides by 3}\\\\x>-\dfrac{13}{3}\to x\in\left(-\dfrac{13}{3},\ \infty\right)

3 0
3 years ago
Hi everyone this is the last question can you please help me for brainliest
BabaBlast [244]
I think that the answer is 8
8 0
3 years ago
Find the surface area of the rectangular prism (above) using its net (below).
Lesechka [4]

Answer:

48 units sq

Step-by-step explanation:

Find the area of each square/rectangle

2x2

2x5

2x5

2x5

2x2

2x5

Add all the parts together

4 + 10 + 10 + 10 + 4 + 10

= 48 units sq

6 0
2 years ago
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