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Roman55 [17]
3 years ago
14

Write the following polynomial in expanded form (2k-5)^2

Mathematics
1 answer:
Ann [662]3 years ago
4 0

Answer:

(2k-5)(2k-5)

Step-by-step explanation:

The exponent of 2 lets us know that the numbers and variables in the parentheses are getting multiplied together twice. E.x: if it was (2k-5)^3, it would have 3 sets of parentheses instead of 2.

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3 years ago
A line is perpendicular to y = -x + 1
frozen [14]

Answer:                                                                                                              The equation of the perpendicular line intersects the point (-5,1) is  y=x+6[/tex]

Step-by-step explanation:

step1:-

The standard form of slope - intercept form y=m x+c

Here m is called slope of the given line

C is called the y- intercept of the given line

Given equation of the straight line y=-x+1

comparing  the slope - intercept form y=m x+c

here m= -1 and c=1

step2:-

The equation of the perpendicular line is

y-{[y_{1}} =\frac{-1}{m} (x-x_{1} )[/tex]

substitute m =  -1 and c =1 values  in equation

y-1 =\frac{-1}{-1} (x-(-5 )

y-1 ={1} (x-(-5 )

y=1+x+5\\y=x+6

step3:- The equation of the perpendicular line intersects the point (-5,1) is

y=x+6[/tex]

<u>conclusion</u><u>:</u>-

The equation of the perpendicular line  is

y=x+6[/tex]

4 0
3 years ago
If f(x)=2(3^x)+1 what is the value of f(2)?
pentagon [3]

Answer:

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Step-by-step explanation:

f(x) =2(3^{x} )+1

f(2)= 2(3^{2})+1

f(2)= 2(9) +1

f(2)= 18+1

f(2)=19

<em>plz mark me brainliest. :)</em>

8 0
3 years ago
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