Multiplying Polynomials and Simplifying Expressions — Cumulative exam Answers

Rami is solving the equation for x .–6x – 1 = 5–6x – 1 1 = (5 1)–6x = 6–6x – 6 = 6 –6x = –1

Lines e and f are intersected by line a. At the intersection of lines a and e, the bottom right angle is 72 degrees. At the intersection of lines a and f, the uppercase right angle is 108 degrees.

Why is the product of a rational number and an irrational number irrational?

Angles 1 and 2 are supplementary.

3 lines are shown. A line with points M, H, K intersects a line with points J, H, L at point H. A line extends from point H to point P between angle K H J. Angle M H L is 140 degrees and angle K H P is 20 degrees.

Which equation is the inverse of y = 7x2 – 10?

When graphed, which parabola opens downward?

For which value of m does the graph of y = 18x2 + mx + 2 have exactly one x-intercept?

The product of a non-zero rational number and an irrational number can always be written as

Solve.s – 6 < 24

Two sandboxes with the same area are shown.The equation represents the area of Sandbox 2 in terms of its width.

2 lines connect to form a right angle. A third line extends between the 2 lines to form 2 angles which are labeled 1 and 2.

A rectangle has an area of (x2 − 17x + 72) square units. Since the area of a rectangle is determined using the formula, A = lw, what could be the length and width of the rectangle?