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kolezko [41]
3 years ago
8

What are the x-intercepts of the quadratic function? f(x) = x2-3x-10

Mathematics
1 answer:
zzz [600]3 years ago
3 0
-2 and 5 (just put in a graphing calculator and find the zeros)
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Expand the following.<br> (3x + 2)2<br> A.9x2+6x+4<br> B.9x2+4<br> C.3x2+4<br> E.9x2+12x+4
PolarNik [594]

Step-by-step explanation:

E

working ;

(3x+2)^2

*Apply Perfect Square Formula : (a+b) =a^2+2ab+b^2

a = 3x,b = 2

(3x)^2 + 3x.2+2^2

finally Answer is:

= 9x^2 + 12x +4

5 0
2 years ago
How many terms are there in a geometric series if the first term is 3, the common ratio is 4, and the sum of the series is 1,023
tatiyna
In Geometric Progression, we know S(n) = a.(rⁿ - 1 ) / r - 1
Here, a = 3, r = 4 a(n) = 1,023
1023 = 3 (4ⁿ - 1) / (4 - 1)
3(4ⁿ - 1) = 1023 * 3
4ⁿ - 1 = 3069 / 3
4ⁿ = 1023 + 1
4ⁿ = 1024
4⁵ = 1024

In short, Your Answer would be 5 Terms

Hope this helps!



6 0
3 years ago
Draw an area model to solve the following. Find the value of the following expression. 30×60
mestny [16]
The anwser to your problem is 1,800
8 0
3 years ago
Identiffy the degree of the polynomail 8x3y2 - 10x + 4x2y2+3
Karo-lina-s [1.5K]
8x^3y^2-10xy+4x^2y^2+3
If this is what you mean then the degree of the polynomial would be 3 since 3 is the highest exponent of all the terms.
7 0
3 years ago
The median of 10,31,36,36,38,42,47,48,49,52
olga2289 [7]
So,

To find the median, arrange all the numbers from least to greatest.

10, 31, 36, 36, 38, 42, 47, 48, 49, 52

The middle two numbers are 38 and 42.  Take their average.
40

40 is the median of 10, 31, 36, 36, 38, 42, 47, 48, 49, and 52.
7 0
3 years ago
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