the line y=3x+k is tangent to the curve x^2+xy+16=0 find possible values of k

sat math question in the xy plane,line L passes through the origin and is perpendicular to line 4x + y=k,where k is a constant.if two line intersects at the point (t,t+1),whats the value of t>? the line y=3x+k is tangent to the curve x^2+xy+16=0 find possible values of k 1.The line -6x+8y-k=0 cuts the positive x-axis at A and the positive y-axis at B.If AB is 16.5 units,find k.2.Find the equation of the line that is the perpendicular bisector of the segment with end-points (3,6) and(7,2) . SAT数学题A line has parametric equationsx=5+t and y=7+t,where t is the parameter.the slope of the line is? Find the equation of a line in standard form given:(a) The line has x-intercept 7 and slop -4.(b) The line has is parallel to y = 3 - 2x and passes through the origin. 一道sat数学题 tx+12y=-3 t is a constant ,if the slope of the line is -10,what the value of Find the equation of a line in standard form given:(a) The line is perpendicular to 3x - 5y = 7 and passes through (-5/2, 8/3).(b) The line passes through (a,b) and (c,d). A line has slope=-2/3 and y-intercept=120.What is the x-intercept of this same line? 一道英文数学题write an equation for the line that is perpendicular to the given line and that pass thought the given point:y=(-1/3)x+2 ;the point is (4,2)(-10)x+(8)y=3; the point is (15,12)列如:y= 5x +3; the point is (0,2) y =(-1/5)x-2 我 1 The line l has equation 2x-y-1=0.The line M passes through the point A (0,4) and is perpendicular to the line l.(a) Find an equation of m and show that the lines l and m intersect at the point P (2,3).the line n passes through the point B(3,0) and If the line Y = x + 3 B and the two axes of the area of a triangle is 6 units, is for B? 原题是英文In questions 12-13,line t is tangent to the circle C1,of equation x2+y2-8x+10y+28=0 at (1,-3).t is also tangent to the circle C2 whose center is (3,-3).12.Find an equation of t.13.Find the standatd equation of C2.翻译：在12,13题 tangent line For what values of a and b is the line 4x+y=b tangent to the curve y=ax^3 when x=5?求详细解答 一道英文数学题求救!a tangent line to the eclipse x^2+4y^2=5 has an x-intercept of -5 and passes through the point Q(3,k) in the first quadrant.Determine the value of k T=0:0.01:5;U=0.25*ones(size(T));[Y,X]=lsim(A-B*K,B,C,D,U,T);plot(T,Y)Nbar=rscale(A,B,C,D,K);T=0:0.01:5;U=0.25*ones(size(T));[Y,X]=lsim(A-B*K,B*Nbar,C,D,U,T);plot(T,Y)这个程序输完之后提示错误如下：Error:File:rscale.m Line:3 Column:16Une 一道GRE数学题in the xy-plane what is the slope of the line whose equation is 3x-2y=8In the xy-plane what is the slope of the line whose equation is 3x-2y=8 sat数学（英语）求解析tx+12y=-3the equation above is the equation of a line in the xy-plane,and t is a constant.if the slope of the line is -10,what is the value of Find the following points on the graph of Y=x^2 :The point where the graph has slope 3.The point where the tangent line is parallel to the line 2x+y=3.