If f(x) = 5x2 - 3x , what is f(-3)

Mathematics

2 answers:

stiks02 [169]3 years ago

8 0

Answer: = -21

Step-by-step explanation:

$5\left(-3\right)\left(2\right)-3\left(-3\right)$

$=-30-3\left(-3\right)$

$=-30-\left(-9\right)$

$=-21$

Whitepunk [10]3 years ago

7 0

If the x between 5 and 2 is a letter then the answer is -21
If it’s a multiplication sign then it’s 19

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Read 2 more answers

Question

IRINA_888 [86]

Answer:

$m=\frac{5}{3}$

Step-by-step explanation:

Given the following question:

Point A = (-2, -9) = (x1, y1)
Point B = (1, -4) = (x2, y2)

To find the slope of a line, we will need to use the formula for slope or rise over run.

$m=\frac{y2-y1}{x2-x1}$
$m=\frac{-4--9}{1--2} =\frac{5}{3}$
$m=\frac{5}{3}$

The slope of the given line is indeed "5/3."

Hope this helps.