What is the difference of 7x − (25x2 + 12x)

Answers

Answer 1

Answer: If you would like to solve 7x - (25x^2 + 12x), you can do this using the following steps:

7x - (25x^2 + 12x) = 7x - 25x^2 - 12x = - 25x^2 - 5x

The correct result would be - 25x^2 - 5x.

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The product of d and 4

Answers

Answer: 4d

Step-by-step explanation:

Product means multiplication, so the product of d and 4 means d times 4.

Please help me im running on a clock

Answers

Well stop running. It’s as easy as that. :)

the answer is graph A:)

At how many points does the graph of the function below intersects the x-axis?y=3x^2-5x+1
A. 0
B. 1
c, 2

Answers

Answer: 2 points

Step-by-step explanation: the graph of y=3x^2-5x+1 intersect the x-axis at those real values of x where y=0

i.e. 3x^2-5x+1=0

ax²+bx+c=0 has real roots if b²-4ac≥0

if b²-4ac=0 implies real and equal roots

here a=3,b=-5 and c=1

b²-4ac=25-12>0

this implies that this equation has unequal real roots

so,this equation will intersect the x-axis at two distinct points

Unfortunately it doesn't factor nicely. You can try completing the square but it's really hard because A isn't 1. Because A is positive, you know that the parabola opens upwards. That means if you can find a negative function value then it definitely crosses the x axis twice because of symmetry. If you plug in 1 for x then y is -1. So the answer is C. 2.

I need help with the last three blanks (also sorry for the bad handwriting)