What is the value of x? Identify the missing justifications.
measure of angle P Q R equals x plus 7, measure of angle S Q R equals x plus 3, and measure of angle P Q R plus measure of angle S Q R equals measure of angle P Q S equals 100
Three rays originate from a common point Q at the lower left. Ray Q S extends to the right. Ray Q R extends up and to the right. Ray Q P extends up and slightly left.
measure of angle P Q R plus measure of angle S Q R equals measure of angle P Q S a. ______
x + 7 + x + 3 = 100 b. Substitution Property
2x + 10 = 100 c. Simplify
2x = 90 d. ______
x = 45 e. Division Property of Equality
(1 point)
Responses
Angle Addition Postulate; Addition Property of Equality
Angle Addition Postulate; Addition Property of Equality
Angle Addition Postulate; Subtraction Property of Equality
Angle Addition Postulate; Subtraction Property of Equality
Protractor Postulate; Addition Property of Equality
Protractor Postulate; Addition Property of Equality
Protractor Postulate; Subtraction Property of Equality
6 answers
If p = q then p + s = q + s.
(1 point)
Responses
Reflexive Property
Reflexive Property
Multiplication Property
Multiplication Property
Symmetric Property
Symmetric Property
Addition Property
Multiplication Property of Equality
If 6x ÷ 8 = 40, then ______ .
(1 point)
Responses
6x · 8 = 320
6 x · 8 = 320
40 = 6x · 8
40 = 6 x · 8
6x = 320
6 x = 320
40 = 6x ÷ 8
If modifying above upper X upper Y with bar approximately equal to symbol modifying above upper W upper X with bar then modifying above upper W upper X with bar approximately equal to symbolmodifying above upper X upper Y with bar.
(1 point)
Responses
Symmetric Property
Symmetric Property
Transitive Property
Transitive Property
Reflexive Property
Reflexive Property
none of the above