美国数学题求解释并选择whatisthey-interceptfortheequation6x-2y=-4?选择ABCDA:-2B:-2/3C:2D:2SLOPE-INTERCEPTFORMItlookslikethis:y=mx+b,cbeingthecoefficientandtheslopeoftheline,bbeingthey-valueofalinethatinterce

　　美国数学题求解释并选择

　　whatisthey-interceptfortheequation

　　6x-2y=-4?

　　选择ABCD

　　A:-2

　　B:-2/3

　　C:2

　　D:2

　　SLOPE-INTERCEPTFORM

　　Itlookslikethis:y=mx+b,cbeingthecoefficientandtheslopeoftheline,b

　　beingthey-valueofalinethatinterceptsorcrossesthey-axis.

　　Buttheideareallyistorewriteanequationgiventoyouinthisform.

　　6X-2Y=-4

　　Now,startchangethisformtolooklikey=mx+b

　　Step1:6X-2y=-4,movingthexnow.

　　Step2:-2y=-4-6xgettingtheybyitselfnow.

　　Step3:y=(-4-6x)dividedby-2solvingnow.

　　Step4:y=2+3xrearrangetolooklikethis:y=mx+b

　　Step5:y=3x+2

　　Now,trytheseadditionalmathpracticeproblems:

　　A.Yes/No:6(Y+5)=6Y+5,thisisanexampleoftheDistributiveProperty.

　　B.Yes/No:given7(P+Q)=84isanequivalentto7P+Q=84.

　　C.Yes/No:5P-9Q=9Q-5Pthisisanexampleofequivalentexpressions.

　　D.Solve:7(X-2)=8(X+3)findthevalueofX

　　Now,trytheseadditionalmathpracticeproblems:

　　A.Yes/No:6(Y+5)=6Y+5,thisisanexampleoftheDistributiveProperty.

　　B.Yes/No:given7(P+Q)=84isanequivalentto7P+Q=84.

　　C.Yes/No:5P-9Q=9Q-5Pthisisanexampleofequivalentexpressions.

　　D.Solve:7(X-2)=8(X+3)findthevalueofX