Mischa wrote the quadratic equation 0 = –x2 + 4x – 7 in standard form
The standard form of quadratic equation is
When y=0 then the standard equation becomes
Now we compare the given equation 
with and find the value of a, b,c
-x^2 can be written as -1x^2
a= -1 , b=4 and c=-7
The value of c is -7
Answer: Terri brought 10 more centimeters of rope than Gracie.
Step-by-step explanation:
Answer:
To find the area of composite figures and use area of a circle to find the radius. Estimate the radius of the circle with the given area.
Step-by-step explanation:
I only say how you can founded
Answer:
-2/7
Step-by-step explanation:
2x+7y=14
7y=-2x+14
divide by 7
y=-2/7 x+2
Answer:
56+12=68. 68 inches
Step-by-step explanation:
julie‘s shadow is 12 inches taller than Nicole’ so you would just add 12 to 56.
