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never [62]
4 years ago
6

Write the quadratic equation in standard form: X2– 20 = 52

Mathematics
1 answer:
AURORKA [14]4 years ago
4 0

Answer:

{x}^{2}  - 72 = 0

Step-by-step explanation:

the \: standard \: form \: a \: quadratic \: equation \:\\ is \:a {x}^{2} + bx + c = 0  \\   \therefore \: {x}^{2}  - 20 = 52 \\  {x}^{2}  - 20 - 52 = 0 \\  {x}^{2}  - 72 = 0

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Answer:

No congruency statement can be made because the side lengths are unknown.

Step-by-step explanation:

We are given the measure of two angles in ∆XYZ, as 90 and 30 respectively. The 3rd angle can be known without being given. Since sum of angles in a triangle is 180°, the 3rd angle would be 180 - (90+30) = 60°.

Same applies to ∆TUV.

We only know the 3 angles of each triangle, but we are not given any of the side lengths. Therefore, we cannot make any congruency statement since the side lengths are unknown.

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Step-by-step explanation:

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Answer:

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