Which ordered pair is a solution of the equation? 2x+4y=6x-y2x+4y=6x−y2, x, plus, 4, y, equals, 6, x, minus, y
Choose 1
Choose 1

(Choice A)
A
Only (4,5)(4,5)left parenthesis, 4, comma, 5, right parenthesis

(Choice B)
B
Only (5,4)(5,4)left parenthesis, 5, comma, 4, right parenthesis

(Choice C)
C
Both (4,5)(4,5)left parenthesis, 4, comma, 5, right parenthesis and (5,4)(5,4)left parenthesis, 5, comma, 4, right parenthesis

(Choice D)
D
Neither

Graph the equation by plotting point x=2

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?

Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality