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3 years ago

Will give Brainly lollllllll XD......................

Mathematics

2 answers:

Vladimir79 [104]3 years ago

8 0

Answer:

-1

Step-by-step explanation:

marshall27 [118]3 years ago

6 0

Answer:

it looks like it would just be -1

Step-by-step explanation:

there two -x and two positive x which would cancel out. three positive 1 and four negative 1. -4+3= -1

that's the best I could come up with

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The axis of symmetry for the graph of the function f(x)=3x2+bx+4 is x = 3. What is the value of b?

Kobotan [32]

Answer:

A)-18

Step-by-step explanation:

Given a quadratic equation of the form $y=ax^2+bx+c$ , the axis of symmetry is determined by the formula $x=-\frac{b}{2a}$ .

If the axis of symmetry of the equation: $f(x)=3x^2+bx+4$ is 3, then:

a=3, b=?, x=3

$x=-\frac{b}{2a}\\3=-\frac{b}{2*3}\\b=-6X3=-18$

The correct option is A.

7 0

4 years ago

Read 2 more answers

Plz answer this for me

xz_007 [3.2K]

Answer:

the first one?

Step-by-step explanation:

he went up 9 floors so you'd add 9 and down 7 floors so you'd subtract

4 0

3 years ago

If you are going for best contents like myself, just pay a quick visit this web page everyday since it offers feature contents,

alexandr1967 [171]

Answer:

okay

Step-by-step explanation:

4 0

3 years ago

What is the slope of a line parallel to the line with equation 5x + 3y = 7?

weeeeeb [17]

Answer:

-5/3

Step-by-step explanation:

Parallel lines are lines which have the exact same slope but different y-intercepts. We can find the slope by converting to slope-intercept form, y=mx+b from standard form.

We convert by using inverse operations to isolate y.

5x+3y=7

5x-5x+3y=7-5x

0x+3y=-5x+7

3y=-5x+7

$\frac{3y}{3} =\frac{-5x+7}{3} \\y=\frac{-5}{3}x+\frac{7}{3}$ .

The slope is -5/3. SInce parallel lines have the same slope, the slope for a parallel line will be -5/3.

3 0

4 years ago

The vertices of a quadrilateral are A(-1, 6), B(-2,4), C(2,2), and D(3,4). Write a paragraph proof to determine whether quadrila

Klio2033 [76]

Answer:

Not good with maths. it's sad really.

8 0

3 years ago