1.
Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
A.
6(3
x
)
2
B.
6 + 3
x
C.
6(3
x
)
D.
6 + 3
x
2
Hint
2.
Solve the equation
A.
B.
-1
C.
9
D.
20
Hint
3.
Solve
A.
–25
B.
–1
C.
–12
D.
12
Hint
4.
Solve
A.
7
B.
–7
C.
–21
D.
–25
Hint
5.
Solve
A.
B.
21
C.
D.
28
Hint