Kelsey graphed the equation y = 3x + 1 as shown below.

which describes kelsey’s error?
kelsey graphed the y-intercept on the x-axis.
kelsey graphed –3 instead of 3 as the y-intercept.
kelsey graphed the slope as up 1 right 1 instead of up 1 left 1.
kelsey graphed the slope as the y-intercept and the y-intercept as the slope.

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.

step-by-step explanation:

the triangles are similar. therefore the corresponding sides are in proportion:

              cross multiply

            divide both sides by 32

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

the correct answers are 1, 2, 4, and 5! i just got it right!