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gwynolegario
14.02.2020 •
Mathematics
Type the correct answer in each box. Use numerals instead of words.
Consider the systems of equations below.
System
A
System B
System C
2 + y2 = 17
y = 32 -75 + 10
y = -6x + 5
y = -232 +9
8x - y = -17
Determine the number of real solutions for each system of equations.
System A has
System B has
System Chas
real solutions,
real solutions
r eal solutions.
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Ответ:
Step-by-step explanation:
A quadratic function has the formula ax² + bx + c
To determine if a graph will be narrow or wide, the leading coefficient, a, will be the factor that determines thisThe greater the coefficient, the narrower the parabolaThe lesser the coefficient, the wider the parabolaHere all of the functions are in the form ax²
InWe can eliminate the two functions with the negative coefficients because they are much smaller than the two functions with the fractions as coefficients, and will therefore open much wider.
We can now compare the two remaining functions,
and ![y=\frac{1}{3}x^2](/tpl/images/0666/6822/dc165.png)
Giving the two fractions common denominators would turn them into