Use set notation to express the value(s) that make the equation 2x=20
true. Enter your response using set notation.(1 point)
1 year ago
1 year ago
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)
1 year ago
{-6, 6}
1 year ago
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)
1 year ago
{y | y > 4}
1 year ago
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)
1 year ago
Sophie is correct. (1)
1 year ago
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)
1 year ago
{x=3}
1 year ago
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.
1 year ago
Amelia is correct. The solution set to the equation x^2 + 9 = 45 is {−6, 6}.
1 year ago
The values −1 and 1 make the equation 3x2+7=10 true. Use set notation to express the solution to the equation.(1 point)
Responses
(−1,1)
left parenthesis negative 1 comma 1 right parenthesis
{−1,1}
left brace negative 1 comma 1 right brace
{x=−1,x=1}
left brace x equals negative 1 comma x equals 1 right brace
(x=−1,x=1)
1 year ago
{−1, 1}
1 year ago
The solution set of the inequality 3(b−4)+2b>3 is the set of values of b greater than three. Which set notation correctly expresses the solutions?(1 point)
Responses
{b:b<15}
left brace b colon b less than 15 right brace
{b:b>3}
left brace b colon b greater than 3 right brace
{b:b<3}
left brace b colon b less than 3 right brace
{b:b>15}
1 year ago
{b:b>3}
1 year ago
What value falls in the solution set of the inequality −3(4k+1)<15?(1 point)
Responses
−32
Start Fraction negative 3 over 2 End Fraction
−1
negative 1
−4
negative 4
−5
1 year ago