WITH ALL ANSWERS
Determinevthevslopevandvthevy-intercept.vUsevthevslopevandvthevy-
interceptvtovgraphvthevequation.vUsevavgraphingvcalculatorvtovverifyvyourvwork.
y=4x-8v-vcorrectvanswer-Slopevisvm=4v
Y-intercept=v(0,-8)
Determinevthevslopevandvthevy-intercept.vUsevthevslopevandvthevy-
interceptvtovgraphvthevequation.
y=1v-vcorrectvanswer-Slopevisvm=v0
Y-intercept=v(0,1)
Usevthevgraphingvtoolvtovgraphvthevlinearvequation.vUsevthevslopevandvy-
interceptvwhenvdrawingvthevline.
2x+y=1v-vcorrectvanswer-
Determinevthevslopevandvthevy-intercept.vUsevthevslopevandvthevy-
interceptvtovgraphvthevequation.vUsevavgraphingvcalculatorvtovverifyvyourvwork.
9x-12y=84v-vcorrectvanswer-Thevslopevis:v3/4
Thevy-interceptvisv(0,7)
Determinevthevslopevandvthevy-intercept.vUsevthevslopevandvthevy-
interceptvtovgraphvthevequation.vUsevavgraphingvcalculatorvtovverifyvyourvwork.
-21=4x+7yv-vcorrectvanswer-Thevslopevisvm=v-4/7v
, Thevy-interceptv(0,-3)
Determinevthevslopevandvthevy-intercept.vUsevthevslopevandvthevy-
interceptvtovgraphvthevequation.vUsevavgraphingvcalculatorvtovverifyvyourvwork.
5x+3y=0v-vcorrectvanswer-Thevslopevisv-5/3v
Thevy-interceptvisv(0,0)
Determinevthevslopevandvthevy-intercept.vUsevthevslopevandvthevy-
interceptvtovgraphvthevequation.vUsevavgraphingvcalculatorvtovverifyvyourvwork.
y-5=0v-vcorrectvanswer-Thevslopevisvm=0v
Thevy-interceptvisv(0,5)
Findvthevapproximatevx-interceptvandvthevapproximatevy-
interceptvofvthevequationvbelow.
6.1x+3.7y=9.9v-vcorrectvanswer-Thevx-interceptvofvthevgivenvequationvisv(1.62,0)
Thevy-interceptvofvthevgivenvequationvisv(0,2.68)
Avstudentvthinksvthevgraphvofv6+7x=6vhasvslopev7vbecausevthevcoefficientvofvthev7xv
termvisv7.vIsvthevstudentvcorrect?vIfvyes,vexplainvwhy.vIfvno,vfindvthevslope.v-
vcorrectvanswer-Thevstudentvisvincorrect.vThevslopevisv-7/6
Determinevwhethervthevrelationvisvavfunction.vExplain.
3x-8y=16v-vcorrectvanswer-
Yes,vbecausevthevequationvcanvbevwrittenvinvthevformvy=mx+b,vwherevmvandvbvarev
constants.
Determinevwhethervthevrelationvisvavfunction.vExplain.
x=6v-vcorrectvanswer-
No,vbecausevthevgraphvofvthevrelationvisvavverticalvlinevandvsovtherevisvavverticalvline
vthatvintersectsvitsvgraphvatvmorevthanvonevpoint.
Determinevwhethervthevrelationvisvavfunction.vExplain.
4x-5y=29+5(y-2x)v-vcorrectvanswer-
Yes,vbecausevthevequationvcanvbevwrittenvinvthevformvy=mx+
b,vwherevmvandvbvarevconstants.
Decidevwhethervthevrelationvisvavfunction.vExplain.
-6y^4=xv-vcorrectvanswer-
No,vbecausevtherevarevsomevinputsvthatvleadvtovmorevthanvonevoutput.
Evaluatevf(x)=4x+4vatvthevgivenvvaluevofvx.