Factoring Trinomials: a = 1 (Continued) — Cumulative exam Answers

Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.a.c.b.d.

Solve the system of equations by finding the reduced row-echelon form of the augmented matirix for the system of equations.a.(-3,7,3)c.(-9,1,-3)b.(1,1,-9)d.(3,7,-3)

The formula gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a cube with a surface area of 480 square meters than a cube with the surface area of 270 square meters?

The equation shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. If planet Y is k times the mean distance from the sun as planet X, by what factor is the orbital period increased?

Which is a factor of 6x2 + x − 7?

Write the augmented matrix for each system of equations.a.c.b.d.

Which expression is equivalent to ?

If x is a positive integer, which expression is equivalent to ? Assume .

What is the following product? Assume

Which classification describes the following system of equations?

Rene is designing a satellite that is the shape of a parabola that opens upward with a diameter of 8 in. and a depth of 2 in. The feed antenna focuses the incoming radio waves. At what point should the feed antenna be placed?

An egg is dropped from a height of 90 ft. If acceleration due to gravity is –16 ft/s2 and initial velocity is 0 ft/s, approximately how long will it take for the egg to reach the ground?h(t) = at2 + vt + h0

Use row reduction to solve the system of equations.

The table below shows the data for a car stopping on a wet road. What is the approximate stopping distance for a car traveling 35 mph? Car Stopping Distancesv(mph)d(ft)1517.92031.850198.7

What is the solution of ?

What is the following product?

Louis used a quadratic equation to model the height, y, of a falling object x seconds after it is dropped. Which ordered pair generated by this model should be discarded because the values are unreasonable?

Given that (3, 2, –6) and (–2, 5, 1) are solutions of two equations in a system of three linear equations, which of the following is true about the system?

What is the following quotient?

Which equation is an example of the commutative property of multiplication?