Use a Determinant to Determine Whether the Points $( 1,4 ) , ( - 2,2 )$

Q21: Use a determinant to find an equation

Q22: Use Cramer's Rule to solve (if

Q23: Use Cramer's Rule to solve the

Q24: Write a cryptogram for the message

Q25: Write a cryptogram for the message

Q27: Use Cramer's Rule to solve (if

Q28: Find y such that the points are

Q29: Write a cryptogram by assigning a

Q30: Use Cramer's Rule to solve (if

Q31: Determine a positive value for y