CAN YOU HELP ME? PLS..AKO NAMAN TULUNGAN NYO

1.Which of the following is the standard form of quadratic equations?
A.)a× + b× + c <0, a≠ 0
B.)aײ + c = 0, a≠0
C.)Aײ + By + c = 0
D.)y=m× + b

2.which of the following is quadratic equations?
A.)3m - 7 =12
B.) -5n² + 4n - 1
C.)2ײ - 7× ≥ 3
D.) t² + 5t - 14=0

3.)In the quadratic equation 5w² + 9w - = 0,Which is the quadratic term?
A.)W²
B.) 9w
C.)5w²
D.) -10

4.) In the quadratic equation 2t² - 7t = 12 , wich is the linear term
A.) 2t
B.) t²
C.) 7t
D.) -12

5.How many real roots does the quadratic equations 3ײ + 7× + 10= have?×

6.) The roots of a quadratic equations are -4 and -5 , Which of the following quadratic equations has these roots?

A.) ײ + × - ×20 =0
B.)ײ - × + 20 =0
C.) ײ + 9× + 20=0
D.) ײ - 9× + 20=0