Notice that half of the coefficient of x is (1/2)(-4), or -2.
Then x^2 - 4x becomes
x^2 - 4x + 4 - 4 = 0, or (x -2)^2 = 4. Then x = -2 plus or minus 2, and the two roots are 0 and -4.
Thus, add 4 to both sides to obtain x^2 - 4x + 4 = 4.
Answer:
C
Step-by-step explanation:
The range is the grade. Domain is the amount of hours that you study for.
Answer:
B is your answer. the reason is because the functions itself is negative
Answer:
4 + 3x
Step-by-step explanation:
2 + 2 = 4
Add the three x's together and you get 3x!
Hope this helps! ^^
