Newest Proofs Questions | Wyzant Ask An Expert

3. Given: P(1, 2), Q(3, 1) and R(1, 4).a. Prove that ΔPQR is not equilateral.b. Find the midpoints of QP and QR and label them M and N respectively.c. Find the areas of ΔPQR and ΔMQN.d. What is... more

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Proofs Math Geometry

01/27/21

Given: A(8, 9), B(10, 3) and C(3, 4). a. Prove ABC is isosceles. b. Find M, the midpoint of AB. c. Prove CM AB.

Given: A(8, 9), B(10, 3) and C(3, 4).a. Prove ABC is isosceles.b. Find M, the midpoint of AB.c. Prove CM perp. to AB.

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Proofs Math Geometry

01/27/21

Given: R(1,1), S(9,4) and T(1,7). Prove that ΔRST is not a right triangle.

Given: R(1,1), S(9,4) and T(1,7). Prove that ΔRST is not a right triangle.may use the grid if need.

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Proofs Geometry Algebra

01/16/21

Proving / Properties of Chords with SSS

A. Given: In , radius bisects chord at point ∙Prove: B. Using , prove that , given that

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Proofs Calculus Precalculus

12/20/20

Proof that a non-negative quadratic equation has at most one solution without using calculus

I'm working through Lax and Terrell's 'Calculus with Applications'. One of the first exercises is to work through the proof of the Cauchy-Schwarz inequality. I'm all good for my proof except for... more

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Proofs Philosophy Logic

12/17/20

Is the following a valid argument: B v C, C v D, ∴A→C ? Why or why not? (see description for full question)

Imagine that you have a set of sentences in QL named A, B, C, and D, and assume that A and B are tautologies, C is contingent, and D is a contradiction. Is the following a valid argument: B v C, C... more

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Proofs Math Geometry

12/03/20

Given:st||uv,st=vu Prove:stw=vuw

Statements Reasons 1. Given 2. Given 3. Alternate Interior Angles Thm. ∠SUT ≅ ∠WUV 4. 5. AAS SU ≅ WU 6.

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Proofs

12/03/20

Honors Geometry

Given angle 1 and angle 2 are supplementary. Prove is that are parallel.Write a 2 column proof

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Proofs Math Geometry

12/01/20

Given: line AC bisects angle BAD. Line AC bisects angle BCD. Prove: Angle B is congruent to Angle B

I need the proofs and reasons.

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Proofs Discrete Math

11/18/20

Help with proving modulus, please.

Prove that (x mod 2)(y mod 2) = (xy) mod 2.Hi, I would really appreciate if anyone can help me on this question. It is really difficult asking questions during online class. Thank you.

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Proofs Contradiction

11/14/20

Proof by contradiction

For all x, y, z ∈ Z. At least one of x−y , x−z and y−z is even.

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Proofs Geometry

11/12/20

given: m||n ; j||k prove: m∠1+m∠4=180

STATEMENTSm || n ; j || k ∠1 ≅ ∠2 ∠3 ≅ ∠4 m∠1 = m∠2 ; m∠3 = m∠4 m∠2 + m∠3 = 180 m∠1 + m∠4 = 180

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Proofs Geometry

11/05/20

PLEASE HELP ME ASAP. COULD HELP ME PLEASE?

Prove two triangle congruent using a two column proof:Given:AC is angle bisector of ∠BCD. m∠B = m∠D. Prove: ΔABC ≅ ΔADCStatements:----- AC is angle bisector of angle BCD angle 3 = angle 4 angle b =... more

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Proofs Math Number Theory Divisibility

10/27/20

Use congruences to prove that the divisibility test 5 works.

Divisibility rule for 5: Let a be any integer, 5 divides a if and only if the last digit of a is 0 or 5.

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Proofs Algebra 2 Algebra

10/26/20

Converse of a statment

Hello,I really struggle with these types of problem, could you tell me if this is correct.If, x+3 = 10/x ⇒ x = 2What is the converse of this statement?Is the original statement true? Also is the... more

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Proofs Geometry

10/14/20

Given: <1 and <2 are complementary. <3 and <4 and complementary. Prove: <2 is congruent to <4 and <1 is congruent to <3.

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Proofs

10/12/20

What are the reasons

AB=DEB is the midpoint of ACE is the midpoint of DF

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Proofs Linear Algebra

10/08/20

Order 8 of the following sentences so that they form a direct proof of the statement: 𝐴 is a square matrix. Prove that if 𝐴2=𝐴, then either 𝐴=𝐼 or 𝐴 is singular.

Order 8 of the following sentences so that they form a direct proof of the statement:A is a square matrix. Prove that if , then either or is singular.Options: Let A be an m×n matrix. Assume... more

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Proofs Linear Algebra

10/08/20

Order 6 of the following sentences so that they form a proof by CONTRAPOSITIVE of the statement: 𝐴 is a square matrix. Prove that if 𝐴^2=𝐴, then either 𝐴=𝐼 or 𝐴 is singular.

Order 6 of the following sentences so that they form a proof by CONTRAPOSITIVE of the statement: 𝐴 is a square matrix. Prove that if , then either or is singular.Options: Let A be an m×n... more

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Given: B(­3,6), A(6,0), T(9,­9) and H(0,­3) a. Prove that BATH is a parallelogram b. Prove that BATH is not a rhombus.

Given: Quad ABCD with vertices A(­2,2), B(8,­4), C(6,­10) and D(­4,­4). State the coordinates of A'B'C'D', the image of quadrilateral ABCD under D½ . Prove that A'B'C'D' is a parallelogram.

The vertices of JOHN are J(­3,1), O(3,3), H(5,7) and N(­1,5). Use coordinate geometry to prove that Quadrilateral JOHN is a parallelogram.

Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse of right ΔABC is equidistant from vertices A, B, and C.

Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse of right ΔABC is equidistant from vertices A, B, and C.

Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse of right ΔABC is equidistant from vertices A, B, and C.

Proof A. B. C. and D.

Given: A(8, 9), B(10, 3) and C(3, 4). a. Prove ABC is isosceles. b. Find M, the midpoint of AB. c. Prove CM AB.

Given: R(1,1), S(9,4) and T(1,7). Prove that ΔRST is not a right triangle.

Proving / Properties of Chords with SSS

Proof that a non-negative quadratic equation has at most one solution without using calculus

Is the following a valid argument: B v C, C v D, ∴A→C ? Why or why not? (see description for full question)

Given:st||uv,st=vu Prove:stw=vuw

Honors Geometry

Given: line AC bisects angle BAD. Line AC bisects angle BCD. Prove: Angle B is congruent to Angle B

Help with proving modulus, please.

Proof by contradiction

given: m||n ; j||k prove: m∠1+m∠4=180

PLEASE HELP ME ASAP. COULD HELP ME PLEASE?

Use congruences to prove that the divisibility test 5 works.

Converse of a statment

Given: <1 and <2 are complementary. <3 and <4 and complementary. Prove: <2 is congruent to <4 and <1 is congruent to <3.

What are the reasons

Order 8 of the following sentences so that they form a direct proof of the statement: 𝐴 is a square matrix. Prove that if 𝐴2=𝐴, then either 𝐴=𝐼 or 𝐴 is singular.

Order 6 of the following sentences so that they form a proof by CONTRAPOSITIVE of the statement: 𝐴 is a square matrix. Prove that if 𝐴^2=𝐴, then either 𝐴=𝐼 or 𝐴 is singular.

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Given: B(3,6), A(6,0), T(9,9) and H(0,3) a. Prove that BATH is a parallelogram b. Prove that BATH is not a rhombus.

Given: Quad ABCD with vertices A(2,2), B(8,4), C(6,10) and D(4,4). State the coordinates of A'B'C'D', the image of quadrilateral ABCD under D½ . Prove that A'B'C'D' is a parallelogram.

The vertices of JOHN are J(3,1), O(3,3), H(5,7) and N(1,5). Use coordinate geometry to prove that Quadrilateral JOHN is a parallelogram.