Mathematics, 28.10.2020 03:50 isabelgalvarado2838
Which reflection a point (a, a) onto (a.-a) ? Select all that apply
Reflection in the x-axis
Reflection in the y-axis
Reflection in the x-axis and then a reflection in the line y=x
Reflection in the y-axis and then a reflection in the line y=x
Answers: 1
Mathematics, 21.06.2019 22:20, dontworry48
Which graph represents the given linear function 4x+2y=3
Answers: 1
Mathematics, 21.06.2019 23:30, legendman27
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
Answers: 1
Which reflection a point (a, a) onto (a.-a) ? Select all that apply
Reflection in the x-axis
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