Answer:
c
Step-by-step explanation:
the greater than sign turns into a less than sign when you cross multiply a negative number
and -4 times -25 is +100
whoever said b is braindead
Answer:
A) x ≥ 100
Step-by-step explanation:
x/-4 ≥ -25
x-4 x-4 (Multiply by -4 on both sides)
x ≥ 100
What value of Y makes the equation true ?
Answer:
y = -5/2 or -2.5
Step-by-step explanation:
3y + 4 = -y - 6
add y to both sides
4y + 4 = -6
subtract 4 from both sides
4y + 4 - 4 = - 6 - 4
4y = -6 - 4
4y = -10
divide both sides by 4
4y/4 = -10/4
y = -10/4
y = -5/2 or -2.5