Is 8/10 greater than 3/4
2 answers:
Answer:
Yes
Step-by-step explanation:
One way to compare fractions is to turn them into equivalent fractions that have the same denominator. To do this ,we need to find a common multiple of the denominators, i.e of 4 and 10. The lowest common multiple is 20, so lets rewrite the two fractions so they are over 20:
And:
So now they are over the same denominators, then since 18 > 15, we see that 8/10 > 3/4.
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Answer:
x = - 3 and x = 1
Step-by-step explanation:
Given the rational expression
The denominator of the expression cannot be zero as this would make the expression undefined. Equating the denominator to zero and solving gives the values that x cannot be, that is
x² + 2x - 3 = 0 ← in standard form
(x + 3)(x - 1) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 3 = 0 ⇒ x = - 3
x - 1 = 0 ⇒ x = 1
Thus x = 1 and x = - 3 are both excluded values