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s2008m [1.1K]
3 years ago
5

How do you solve each absolute value by graphing

Mathematics
1 answer:
saw5 [17]3 years ago
7 0
Your question answers itself. You solve by graphing.

I like to subtract one side of the equation from the other, so the solutions are where the graph crosses the x-axis (the resulting function value is zero).

It can be useful to find the "turning point" of each absolute value expression (where its value is zero) and graph that and some points on either side.
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Y = x2 – 15x + 26<br> y = -3x - 6
pychu [463]

Answer:

um im pretty sure y = -15 and x = -17 but im pretty sure i did that wrong too lol sorry if it is wront

Step-by-step explanation:

5 0
3 years ago
Find the perimeter of this semi-circle with radius, r = 22cm. Give your answer rounded to 1 DP.
shepuryov [24]

Answer:

69.1 cm

Step-by-step explanation:

Circumference of a circle

c = 2πr

Half of that would be a semi-circle

c = πr

c = π * 22

c = 69.115038379

Rounded

69.1 cm

3 0
3 years ago
Find the height of a triangular prism with a base length of 10 yards, a base height of 20 yards, and a volume of 600 cubic yards
Artemon [7]
The volume of the triangular prism is the Area of the base times the height
the area of the base is:
\frac{ab}{2}
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V=(\frac{ba}{2})h

now b=10 yards,  a=20 yards, and V=600 yards^3
we clean the height 

h=\frac{2V}{ab}=\frac{2\cdot 600}{10\cdot 20} = 6&#10;

the answer is height = 6 yards


8 0
3 years ago
Evaluate the following logarithmic expression without the use of a calculator. Enter your answer as a fraction reduced to the lo
Leni [432]
Assuming you meant <span>e⁴  thus
</span>

\bf ln\left( \sqrt[7]{e^4} \right)\implies log_e\left( e^{\frac{4}{7}} \right)\\\\&#10;-----------------------------\\\\&#10;log_{{  a}}{{  a}}^x\implies x=x\impliedby \textit{let's use this cancellation rule}\\\\&#10;-----------------------------\\\\&#10;log_e\left( e^{\frac{4}{7}} \right)\iff \cfrac{4}{7}
3 0
3 years ago
For each incorrect answer on a test, the teacher changes the total points possible by −4 points. The total number of points poss
cricket20 [7]

Answer:

-4×9=-36

then 64-36=28

4 0
3 years ago
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