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Rzqust [24]
2 years ago
8

Write the absolute value equations in the form x−b =c (where b is a number and c can be either number or an expression) that hav

e the following solution sets:
two solutions: x=1/2, x=-1/3
one solution: x=-3
all numbers such that x≤5
all numbers that x ≥-1.3

anything helps!
Mathematics
1 answer:
hjlf2 years ago
7 0

All cases rewritten in the form of <em>difference</em> expressions are listed below:

  1. <em>x - 1/2 = 0</em>, <em>x + 1/3 = 0</em>
  2. <em>x + 3 = 0</em>
  3. <em>x - 5 ≤ 0</em>
  4. <em>x + 1/3 ≥ 0</em>
<h3 /><h3>How to translate equalities and inequalities into difference expressions</h3>

Equalities represent relationships between two expressions, in which one expression is equal to another. An equality (<em>x = a</em>) is equivalent to the following <em>difference</em> expression:  

<em>x - a = 0</em>   (1)

And inequalities represent relationships between two expressions, in which one expression is not necessarily to another. An inequality (<em>x < a, x > a, x ≤ a, x ≥ a</em>) is represented by the following <em>difference</em> expression:

<em>x - a = b</em>   (2)

Where b have the following cases:

  1. If <em>x < a</em>, then <em>b < 0</em>.
  2. If <em>x > a</em>, then <em>b > 0</em>.
  3. If <em>x ≤ a</em>, then <em>b ≤ 0</em>.
  4. If <em>x ≥ a</em>, then <em>b ≥ 0</em>.

Now we proceed to rewrite each case in term of <em>difference</em> expressions:

  1. <em>x - 1/2 = 0</em>, <em>x + 1/3 = 0</em>
  2. <em>x + 3 = 0</em>
  3. <em>x - 5 ≤ 0</em>
  4. <em>x + 1/3 ≥ 0</em>

To learn more on inequalities, we kindly invite to check this verified question: brainly.com/question/19491153

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1. f(x) = x^3– 4x^2 – 7x + 10
True [87]

9514 1404 393

Answer:

  zeros: {-2, 1, 5}

Step-by-step explanation:

A graphing calculator works nicely for identifying turning points, roots, increasing/decreasing intervals, and more.

8 0
3 years ago
How many times larger is 2⁴⁵ than 2⁴²​
andre [41]

Answer:

hi

Step-by-step explanation:

2⁴⁵÷2⁴²=2³

2³=8

hope it helps

have a nice day

7 0
3 years ago
Read 2 more answers
PLZ HELP AND SHOW YOUR WORK &lt;3333<br><br><br> Substitution.<br><br> 3x+2y=11<br><br> y=5x-1
liraira [26]
Hey there! :D

Substitute y for 5x-1. 

3x+2y=11

y=5x-1

3x+2(5x-1)=11

3x+10x-2=11

13x-2=11

13x=13

x=1

Now, plug that in to find y.

y=5x-1

y=5(1)-1

y=5-1

y=4

(1,4) <== the solution

I hope this helps!
~kaikers
8 0
3 years ago
True or false: In (r, theta), the value of r can be negative.
AveGali [126]
The answer to the mathematics question presented above is 'True'. It is correct to say that in (r theta), the value of r can be negative. A negative radius can be used when it comes to graphing a "polar'' function. Thus, the answer to the question is 'true'. 
3 0
3 years ago
Find the equations of the tangent lines to x2+y2=1 at x=0, x=1 and x=35.
Ivanshal [37]
Assuming the equation is x^2 + y^2 = 1, then that's a circle, with radius 1, centered on the origin [0,0].

So there are two tangents at x = 0. They are y = 1, and y = -1 (horizontal lines).

There is one tangent at x = 1. It is x = 1 (a vertical line).

There is no tangent at x = 35, because the original equation has no solution at x = 35.
4 0
3 years ago
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