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Elena L [17]
3 years ago
11

Label x-intercepts, vertex and axis of symmetry for f(x) = (x+3)(x-5)

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
7 0
X intercepts are -3 and 5
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This is the last part, you don't have to do number (6). I really appreciate the help so far!!!
marysya [2.9K]

Answer: just saying i realy need points or i cant ask questions anyways 4+x/-20=-40  is prob 45 or somthing

7 0
2 years ago
Find the equation of the linear function represented by the table below in slope-intercept form.
OLEGan [10]

Answer:

y = 8x+7

Step-by-step explanation:

firstly reduce the equation to an arithmetic series starting from the 0th term so:
7, 15, 23, 31, 39....

Secondly, identify the common difference: 8
we now know that the answer must contain 8x

Thirdly, form the equation 8x + c = y where y is a constant. Afterwards insert the values of any given x and y so:
8*0 + c = 7
c = 7
Thusly we now know that the series and thus equation is 8x+7 = y

7 0
1 year ago
Read 2 more answers
What is the equation of a line parallel to y=1/2×+6 that passes through (-4,1)
IgorC [24]

keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

y = \stackrel{\stackrel{m}{\downarrow }}{\cfrac{1}{2}}x+6\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}

so we're really looking for the equation of a line whose slope is 1/2 and passes through (-4 , 1)

(\stackrel{x_1}{-4}~,~\stackrel{y_1}{1})\hspace{10em} \stackrel{slope}{m} ~=~ \cfrac{1}{2} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{1}=\stackrel{m}{ \cfrac{1}{2}}(x-\stackrel{x_1}{(-4)}) \\\\\\ y-1=\cfrac{1}{2}(x+4)\implies y-1=\cfrac{1}{2}x+2\implies y=\cfrac{1}{2}x+3

5 0
2 years ago
Simplify the expression: <br>3+ – 5(4+ – 3v)
Mandarinka [93]

Answer:

The answer is

<h2>15v - 17</h2>

Step-by-step explanation:

3+ – 5(4+ – 3v) can be written as

3 - 5( 4 - 3v)

Expand and simplify

That's

3 - 20 + 15v

15v - 17

Hope this helps you

6 0
3 years ago
2x +12 - 8x - 7= -10x + 2 + 4x +3.
worty [1.4K]

Answer:

r37grqigohw

Step-by-step explanation:

5 0
2 years ago
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