Question

Which expression is equivalent to /a/≤ 5 ?
(Points : 1)
a ≤ –5 and a ≥ 5
a ≥ –5 and a ≤ 5
a ≤ –5 or a ≥ 5
a ≥ –5 or a ≤ 5


Question 2.2. Which expression is equivalent to /b/>2 ?
(Points : 1)
b < –2 or b > 2
b > –2 or b < 2
b < –2 and b > 2
b > –2 and b < 2


Question 3.3. Solve the equation. |k + 6| = 3
(Points : 1)
{–3, 9}
{–3, 3}
{–9, –3}
{all real numbers greater than or equal to –9 and less than or equal to –3}

Answer 1

\[\left| a \right|\le5\]
Is what you mean by /a/ right?

Answer 2

yes

Answer 3

One moment.

Answer 4

ok