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: 5 1/8
Step-by-step explanation:
1. 6 3/8=51/8
2. 3/4=6/8; 1/2=4/8
3. 51/8-6/8-4/8=41/8
4. 41/8=5 1/8
Answer:
2i-3
Step-by-step explanation:
2(x+3)²=-8
(x+3)²=-4
x+3=2i
x=2i-3
Answer:
3 cups
Step-by-step explanation:
Assumptions: How much sugar does cost sprinkle on the brownies. Cost meant Cody
Given data:
Total of 4 cups
3/4 is sprinkled onto a plate of brownies
The rest onto a plate of lemon cookies
<em>Sugar sprinkled on brownies </em>= (3/4) * 4
<em>Sugar sprinkled on brownies</em> = 3 cups.
