21/4 ÷ 14/9
21/4 × 9/14
189/56
3/3/8
Answer:
2.5 or 2 1/2
Step-by-step explanation:
divide 15 by 3 and you'll get 5. multiply 1/2 by 5 and you get 2.5
Answer for problem 1: slope = 2, y intercept = 3
Answer for problem 2: slope = 3/4, y intercept = -2
Explanation:
Both equations are in the form y = mx+b. This is known as slope intercept form. This is because we can read off the values of the slope and y intercept very quickly. We have y = 2x+3 match up with y = mx+b. The m is the slope and b is the y intercept. So m = 2 and b = 3 for this equation. A similar situation happens with the other equation as well. It might help to rewrite the second equation into y = (3/4)x + (-2).
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8*2=16, 4*4=16, so 16/2 is even and so is 16/8 or 16/4
