The equivalent value of given the expression is -17.25. Therefore, option C is the correct answer.
<h3>What is an equivalent expression?</h3>
Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.
The given expression is -14-8×0.5+0.75.
Now, -14-8×0.5+0.75
= -14-(8×0.5)+0.75
= -14-4+0.75
= -18+0.75
= -17.25
The equivalent value of given the expression is -17.25. Therefore, option C is the correct answer.
To learn more about an equivalent expression visit:
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6% percent of 16842 is 1009.44. The predicted amount is 812. This is a reasonable estimation, so I agree with the prediction.
        
                    
             
        
        
        
A.
(0,00
(2.6,7.9)
(4.8,12.4)
(9.7,15.1)
b. 
well, the points don't look like they are on the line but they actually are (plot twist)
so
since (0,0) is on th egarph
0=a(0)²+b(0)+c
0=c
so
f(x)=ax²+bx+0 or
f(x)=ax²+bx
find a and b
sub points
(2.6,7.9)
7.9=a(2.6)²+b(2.6)
7.9=6.76a+2.6b
(4.8,12.4)
12.4=a(4.8)²+b(4.8)
12.4=23.04a+4.8b
use those 2 equations
7.9=6.76a+2.6b
12.4=23.04a+4.8b
eliminate b
multiply first equation by -4.8 and 2nd by 2.6 and add them
-37.92=-32.448a-12.48b
32.24=59.904a-12.48b +
-5.68=27.456a+0b
-5.68=27.456a
divide both sides by 27.456
(-5.68/27.456)=a
find b
12.4=23.04a+4.8b
12.4=(-130.8672/27.456)+4.8b
12.4+(130.8672/27.456)=4.8b
(12.4+(130.8672/27.456))/4.8=b
da equation is

c. the roots are found with your calculator
the roots are at x=0 and x=17.287323943662
so very close to the target but not exactly on it
if the target has a radius of 0.287323943662 or more then it will hit the target
 
        
        
        
Answer:
x = -2 0r x = 6
Step-by-step explanation:
from the question
 X² – 4x – 12=0
solve by completing the square method
we have;
X² – 4x – 12=0
X² – 4x = 12
to make the left hand side a perfect square we add 4 to both sides.
 X² -4x  + 4 = 12 + 4
X² -4x  + 4 = 16
from left hand side X² -4x  + 4
= (x -2) × ( x -2)
it can be simply expressed as
( x-2)²
so since X² -4x  + 4  has been simplified to be ( x-2)²
then, 
( x-2)² = 16
x - 2 = √ 16
since square root has  two values it can either be positive or negative
so we have
x = 2 + √16
or
x = 2 - √16
 therefore 
x = 2 + √16
x = 2 + 4
x = 6
0r 
x = 2 - 4
x = -2
 
        
             
        
        
        
Y=6-x I believe it would be I hope this helps