3 years ago

Can somebody please help me on these questions ASAP , I appreciate it so much :)

Mathematics

1 answer:

gulaghasi [49]3 years ago

8 0

I took the time to work it out but i really only got one answer i hope this helps

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True or false: A) Any two different points must be collinear. B) Four points can be collinear. C) Three or more points must be c

Tasya [4]

Answer:

A) True

B) True

C) False

Step-by-step explanation:

Knowing that the collinear points are all those that pass through a line, we have:

A) given two points they form a line, by themselves they are collinear (graph 1)

B) Can be or not can be (graph 2)

C) Can be not must be (graph 3)

8 0

3 years ago

Select the expression that is equivalent to the polynomial given below.<br> (4x+3)(3x-8)

posledela

Answer:

Step-by-step explanation:

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3 years ago

If f(x)=4x^2+1 and g(x) =x^2-5 find (f-g)(x)

docker41 [41]

Answer:

$\huge\boxed{(f-g)(x)=3x^2+6}$

Step-by-step explanation:

$(f-g)(x)=f(x)(x)\\\\\text{substitute}\ f(x)=4x^2+1\ \text{and}\ g(x)=x^2-5\\\\(f-g)(x)=(4x^2+1)-(x^2-5)=4x^2+1-x^2-(-5)=4x^2+1-x^2+5\\\\\text{combine like terms}\\\\(f-g)(x)=(4x^2-x^2)+(1+5)=3x^2+6$

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3 years ago

Sandy makes 15.5 gallons of lemonade. She must refill the container after filling 100 drink cups. How much lemonade was in each

faltersainse [42]

100 divided by 15.5 = 0.155

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4 years ago

Two roots of a 3-degree polynomial equation are 5 and -5. Which of the following cannot be the third root of the equation? 0 -5i

sammy [17]

Answer:

-5i and 5i cannot be roots of the equation, since they are complex.

Step-by-step explanation:

A 3-degree polynomial equation must have 3 roots, if one of its roots is a complex number, then its conjugate must also be a root of the function. The problem already stated two roots, which are reals, therefore the last root must also be real. Using this line of thought we know that -5i and 5i cannot be roots of the equation, since they're complex.

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3 years ago