Answer: b
Step-by-step explanation:
Step-by-step explanation:
2 x 2 + x - 4 = 0
4 + x - 4 = 0
<u>+</u><u>4</u> <u>+4</u>
8 0
<u>8</u> + x = <u>0</u>
8 8
x = 0
For the - 4 + 4 part, it cancels out because it's 0 and for the 8 divided by 8 part, it cancels out too. x is 0 because 0 divided by 8 is 0.
Hope this helped!
Answer:
1) x = 4
2) a square root cannot be equal to a negative value
Step-by-step explanation:
1) add 1 to each side
2) square each side
(√2x + 1)² = 3²
2x + 1 = 9
2x = 8
x = 4
2) subtract 4 from each side
√2x + 1 ≠ -5
Answer: 13 points
Step-by-step explanation: To find the amount of points you improved, subtract 95 and 82.
95 - 82 = 13
hope this helps
Union of sets is the that is made taking all the elements from two sets, not repeating any elements. It is denoted by U. <span>It is one of the fundamental operations through which </span>sets<span> can be combined and related to each other. Hope this answers the question.</span>