Question

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 brace 3 right brace (3) left parenthesis 3 right parenthesis ​ (x=3)

Answer 1

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 Cho Cho None of them are correct. None of them are correct. Trey Trey Amelia Amelia

Answer 2

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 (x=−1,x=1) left parenthesis x equals negative 1 comma x equals 1 right parenthesis (−1,1) left parenthesis negative 1 comma 1 right parenthesis ​ {x=−1,x=1} ​ left brace x equals negative 1 comma x equals 1 right brace {−1,1}

Answer 3

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 greater than 15 right brace {b:b<15} left brace b colon b less than 15 right brace {b:b<3} left brace b colon b less than 3 right brace {b:b>3}

Answer 4

What value falls in the solution set of the inequality −3(4k+1)<15 ?(1 point) Responses −4 negative 4 −1 negative 1 −32 Start Fraction negative 3 over 2 End Fraction −5

Answer 5

{x=3}

Answer 6

Amelia has found the correct solution set. The solutions to the equation x^2 + 9 = 45 are x = -6 and x = 6.

Answer 7

{ x = -1, x = 1 }

Answer 8

{ b : b > 3 }

Answer 9

-5