How do you explain a ratio in words?

Mathematics

2 answers:

netineya [11]3 years ago

3 0

Well a ratio is a fraction but with a colon so 7/12 would be 7:12

zubka84 [21]3 years ago

3 0

Ratio basically means half of the diameter. EX: The Diameter is 12 , the ratio would be 6. Or ratio could just mean what to what. EX: Say theres a classroom w/ 11 boys and 8 girls the ratio would be 11:8 or 11|8 or 11 to 8

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The graph 4x^2-4x-1 is shown. Use the grpah to find the estimates for the solutions of 4x^2-4x-1=0 and 4x^2 - 4x-1=2

Darina [25.2K]

Answer:

a) The estimates for the solutions of $4\cdot x^{2}-4\cdot x -1 = 0$ are $x_{1}\approx -0.25$ and $x_{2} \approx 1.25$ .

b) The estimates for the solutions of $4\cdot x^{2}-4\cdot x -1 = 2$ are $x_{1}\approx -0.5$ and $x_{2} \approx 1.5$

Step-by-step explanation:

From image we get a graphical representation of the second-order polynomial $y = 4\cdot x^{2}-4\cdot x -1$ , where $x$ is related to the horizontal axis of the Cartesian plane, whereas $y$ is related to the vertical axis of this plane. Now we proceed to estimate the solutions for each case: