Use set notation to express the value(s) that make the equation 2x=20
true. Enter your response using set notation.(1 point)
Both −6
and 6 make the equation x22=18
true. Use set notation to express these solutions. When entering your response, list elements in the set from least to greatest, with a comma between each element in the set.(1 point)
{-6, 6}
The solution to the inequality 4y+1>17
is y>4
. Use set notation to express the values of y that make the inequality 4y+1>17
true.(1 point)
{y | y > 4}
{10}
Sophie, Adola, and Gilly are debating potential values in the solution set of the compound inequality −2≤2x−2<8
. Sophie says that −2
is a solution. Adola says that 5 is a solution. Gilly says that 2 is a solution. Which person is correct? Enter 1 for Sophie, 2 for Adola, or 3 for Gilly.(1 point)
Which set notation correctly expresses the solution set to the equation 31−9x=4?(1 point)
Responses
{x=3}
left brace x equals 3 right brace
(3)
left parenthesis 3 right parenthesis
{3}
left brace 3 right brace
(x=3)
{x=3}
Trey, Amelia, and Cho are discussing the solution set to the equation x2+9=45.
Trey says the solution is {6}.
Amelia says the solution is {−6,6}.
Cho says the solution is {−6}.
Which person has found the correct solution set?
(1 point)
Responses
Trey
Trey
Cho
Cho
Amelia
Amelia
None of them are correct.