Answer:
Step-by-step explanation:
In algebra, the goal is always to isolate the variable, so its value can be determined.
7x² = -21
x² = -3
7(-3) + 21 = 0
0 = 0 ✔
I'm always happy to help :)
2/5
y=2/5x-6
m=2/5
y=mx+b
Slope: 2/5
y-intercept: 6
7/20
7/10 ÷ 2/1 is the same as 7/10 * 1/2 which is 7/20
Answer: use socratic you take a picture of the problem and it does it.
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