For what values (cases) of the variables the expression does not exist: a/2x−4
1 answer:
Answer:
x=2
Step-by-step explanation:
Given the expression:
The expression is undefined or "does not exist" when the value of the denominator equals zero.
Therefore, set the denominator of the function equals to zero to find the values at which it does not exist.
2x-4=0
2x=4
x=2
Therefore, at x=2, the function is undefined.
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Answer:
17 units
Step-by-step explanation:
Given 2 congruent chords in the circle, then they are equidistant from the centre and perpendicular
There is a right triangle formed by legs 15 and 8, with radius r being the hypotenuse.
Using Pythagoras' identity in this right angle
r² = 15² + 8² = 225 + 64 = 289 ( take the square root of both sides )
r = = 17