PLZ HELP ASAP WILL MARK BRAINLIEST !!!!!Either Table C or Table D shows a proportional relationship.

Mathematics

2 answers:

NNADVOKAT [17]2 years ago

7 0

Answer:

Table C

Step-by-step explanation:

Now where is my Brainliest XD

Genrish500 [490]2 years ago

3 0

Answer:

The correct answers are the green and yellow dots. Hope this helps.

Step-by-step explanation:

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3 years ago

What is the zero in the quadratic function f(x)= 9x^2-54x-19?

Alex17521 [72]

Answer:

6.33... and 0.333...

Step-by-step explanation:

The quadratic formula is

$x=\frac{-b+\sqrt{b^2-4ac} }{2a}$ .

It is important because while some quadratics are factorable and can be solved not all are. The formula will solve all quadratic equations and can also give both real and imaginary solutions. Using the formula will require less work than finding the factors if factorable. We will substitute a=9, b=-54 and c=-19.

$x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-54)+/-\sqrt{(-54)^2-4(9)(-19)} }{2(9)}\\x=\frac{54+/-\sqrt{2916+684} }{18}$