Answer:
b = -6.307 or -11.693
Step-by-step explanation:
This can't be factored so you need to use the quadratic formula which is
-b ±
Plugging the numbers from the equation in, it's
-(9) ±
This simplifies down to b = -6.307 or -11.693.
These are both real solutions.
Answer:
Rectangle
Trapezoid
Square
Triangle.
Step-by-step explanation:
Answer: 5(5 + 9). This expression can be solved by multiplying 5 by both the addends. So, 5(5) + 5(9) = 25 + 45 = 70.
Step-by-step explanation: