Question 337680
Solve the inequality
Solve the inequality
100-x^2>=0 
Answer choices:
A.) x<=-50 or x>= 50
B.) x<=10
C.) x<=-10 or x>=10
D.) -10<=x<=10


100-x^2>=0  SET TO ZERO

(10+X)(10-X) >= 0 EXPAND EQUATIONS

10-X>=0 OR 10+X >=0   MAKE SURE TO PLUG IN AND DRAW THE LINE TO VARIFY

X<=10 OR  X>=-10  -10<=X<=+10  ANSW IS D