All categories

3 years ago

Help me with this please !!!! I will give you 50 POINTS!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Mumz [18]3 years ago

5 0

Answer:

Option A

Step-by-step explanation:

Option A

f(x) = -3(x + 7)(x + 4),

Remember that to solve for the x-intercepts we equate y to 0,

-3(x + 7)(x + 4) = 0

Using the zero product property,

x + 7 = 0, x + 4 = 0

x = - 7, x = -4

x -intercepts: (- 7, 0) & (- 4, 0)

Hence proved.

You might be interested in

Choose Yes or No to tell whether or not the symbol needs to flip when completing this inequality:

a_sh-v [17]

Answer:

Yes because you are working with negatives

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Two more than 16 times a number is the same as 21 less than the product of -7 and the number

slava [35]

Answer:

-1

Step-by-step explanation:

<u>Let the number be x, and we have equation:</u>

16x + 2 = -7x - 21
16x + 7x = - 21 - 2
23x = - 23
x = -1

The number is -1

7 0

2 years ago

Read 2 more answers

(4, -2), y = –2x + 3<br><br> PLS HELP HOW DO I DO THIS?

Alex787 [66]

It looks like your instructor wants you to write in point-slope form.

the equation for point slope form is quite simple

y-y1=m(x-x1)

your variables:

y and x: just state these as they are

m: slope

y1 and x1: the numbers in the point given

keep in mind a double negative equals a positive, so when you come across a negative coordinate you would put + instead of - in your equation.

your final answer would be

y+2=-2(x-4)

I hope this helped :)

please don't hesitate to ask if you have any more questions

3 0

2 years ago

Please find the exact length of the midsegment of trapezoid JKLM with vertices J(6, 10), K(10, 6), L(8, 2), and M(2, 2). Thank y

I am Lyosha [343]

Answer:

the exact length of the midsegment of trapezoid JKLM = $\mathbf{ = 3 \sqrt{5} }$ i.e 6.708 units on the graph

Step-by-step explanation:

From the diagram attached below; we can see a graphical representation showing the mid-segment of the trapezoid JKLM. The mid-segment is located at the line parallel to the sides of the trapezoid. However; these mid-segments are X and Y found on the line JK and LM respectively from the graph.

Using the expression for midpoints between two points to determine the exact length of the mid-segment ; we have:

$\mathbf{ YX = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} }$