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Salsk061 [2.6K]
3 years ago
13

What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?

Mathematics
1 answer:
lesya [120]3 years ago
5 0

Answer:

F27

Step-by-step explanation:

You might be interested in
|1/4 x +2| -3 =5 solve for x and graph on number line
kaheart [24]

The value of x on the number line is 24 and - 40

A number line in elementary mathematics is a representation of a graduated straight line that acts as an abstraction for real numbers, represented by the letter R. It is assumed that every point on a number line corresponds to a real number, and that every real number corresponds to a point.

When seen as a geometric space, namely the one-dimensional Euclidean space, the number line, also known as a real line in advanced mathematics, is technically defined as the set R of all real numbers. It can be conceptualized as a linear continuum, metric space, topological space, vector space (or affine space), measure space, or topological space.

The given equation is

|\frac{1}{4}x+2 | -3=5

Solving the equation:

or,|\frac{1}{4}x+2 | =5+3\\or,|\frac{1}{4}x+2 |=8\\or,\frac{1}{4}x+2=\pm8\\or,x+8=\pm32\\or,x=-8\pm32

Now we take the two separate values of x:

either x=-8+32 or x=-8-32

or,x=24 or x=-40

The value of x is 24 and - 40.

To learn more about number line:

brainly.com/question/24644930

#SPJ9

7 0
1 year ago
Solve for x.<br><br> −(−2−5x)+(−2)=18<br><br><br> x=−90<br><br> x=−185<br><br> x=185<br><br> x = 90
Shtirlitz [24]
-(-2-5x)+(-2)=18
2+5x-2=18
5x=18
x=18/5=3.6
5 0
3 years ago
Read 2 more answers
I WILL MARK BRAINIEST
Allushta [10]
It’s 2x the size I believe :)
5 0
3 years ago
Find the surface area of the pyramid. Correct answer will be marked brainliest!!!!
stepladder [879]

Answer:

178.3 mm²

Explanation:

The surface area of the regular pyramid is equal to the sum of the base and lateral areas:()

5 0
3 years ago
Whats the answer to #9 i need help fast!!
vekshin1
I got 784 inches cubed, I cut the figure into two, the first one was 8×4×14=448, the second was 8×3×14=336,
therefore 448+336=784
5 0
3 years ago
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