Write the Distance and Midpoint Formula.
Distance Formula: d= √[(x₂ - x₁)² + (y₂ - y₁)²]
Midpoint Formula: M = ((x1+x2)/2, (y1+y2)/2)
Write the conditional statements for the following. use p and q.
Conditional, Inverse, Converse, and Contrapositive.
Conditional: p → q
Inverse: ~p → ~q
Converse: q → p
Contrapositive ~q → ~p
Question 39.
Use the diagram below to name each pair of lines.
∠1 and ∠8 ∠6 and ∠7
∠2 and ∠4 ∠ 3 and ∠ 6
Alternate exterior ∠ 's
Same side interior ∠ 's (consecutive interior)
Corresponding ∠'s
Alternative interior ∠'s
Question 54
Find the measure of each numbered angle.
m∠ 1 = 47
m∠ 2 = 19
m ∠ 3 = 133
Question 59
What are the methods to prove triangles are congruent?
SSS, SAS, ASA, AAS, HL
Question 3
Find the length of AB. If A (-1,7) and B (11, -1)
14.4
p: two angles are adjacent; q: they form a linear pair
Write the conditional, inverse, converse, and contrapositive.
Conditional: If two angles are adjacent, then they form a linear pair.
Inverse: If two angles are not adjacent, then they do not form a linear pair.
Converse: If two angles form a linear pair, then they are adjacent.
Contrapositive: If two angles do not form a linear pair, then they are not adjacent.
If m and n are parallel, solve for x.
x = 6
Question 55
Find the value of x.
x = 7
Question 60
Determine if the triangles below are congruent. If yes, state which method.
A. SAS
B. AAS
C. ASA
D. HL
E. Not Congruent
F. SSS
Question 4
Find the Midpoint of AB. If A (-1,7) and B (11, -1)
(5, 3)
Question 21.
Determine whether the conclusion was made by the law of detachment, law of syllogism, or invalid.
Law of Syllogism
What are the slope formula, slope-intercept form, standard form, and point-slope formula?
slope formula: m = y2-y1/x2-x1
Slope-Intercept Form: y = mx + b
Standard Form: Ax + By = C
Point-Slope Form: y - y1 = m(x - x1)
Question 56.
Find the m∠ S
m∠ s = 28
Question 61
Complete the proof.
1. Given
2. Definition of Midpoint
3. Vertical Angles
4. SAS
Question 9.
Find angles x, y, and z.
x = 32°
y= 58°
z = 32°
Question 35
State the property, definition, or postulate.
m∠ DEF = m∠ DEF
Reflexive
Question 49
Find the slope of the line that contains the points (-2, 1) and (-2, -9)
undefined
Question 57
Find the value of x
x = 12
Question 62.
Complete the proof
Reasons
1. Given
2. Corresponding Angles
3. Given
4. ASA
Question 12
∠C and ∠D are supplementary angles. If m∠D is nine less than twice m∠C, find m∠D.
m∠ D = 117
State the property, definition, or postulate.
If m∠ A = m∠ C, and m∠ C = m∠ D, then m∠ A = m∠ D.
Transitive
Write an equation of a line parallel to the line y=-2x+8 and passes through the point (-1,-3).
y=-2x-5
Question 58
If △ ABC ≅ △DEF, Solve for x and y.
x = 4
y = 7
Question 63.
Complete the proof.
1. Given
2. Definition of Angle Bisector
3. Given
4. Reflexive Property
5. AAS