Answer:
how do you need help. what's the problem
Step-by-step explanation:
2x-5 is the expression that represents 5 less than twice x
Answer:
Final answer is c=-7.
Step-by-step explanation:
Given equation is
.
Now question says that Misha wrote the quadratic equation 0=-x2+4x-7 in standard form. Now we need to find about what is the value of c in her equation.
We know that standard form of quadratic equation is given by
.
compare given equation with the standard form, we find that -7 is written in place of +c
so that means +c=-7
or c=-7
Hence final answer is c=-7.
Answer:
if she got 4 questions wrong it would be 12
her score if she got x questions wrong it would be 20-2x