Unit Test — Unit test Answers

Solve the equation.–9x + 1 = –x + 17

Solve the equation.y + 3 = –y + 9

What is the solution to the equation ?

The table represents the function f(x).

Anastasia uses the equation p = 0.7(rh + b) to estimate the amount of take-home pay, p, for h hours worked at a rate of r dollars per hour and any bonus received, b.

Mrs. Ming invested an amount of money in two accounts for one year. She invested some at 8% interest and the rest at 6% interest. Her total amount invested was $1,500. At the end of the year, she had earned $106.40 in interest. How much had Mrs. Ming invested in the account paying 6%?

The formula to convert °F to °C is C = (F – 32).Convert 50°C to °F.

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If f(x) = 2x2 + 1, what is f(x) when x = 3?

What is the value of x in the equation ?

Kate begins solving the equation (6x – 3) = (6x – 4). Her work is correct and is shown below.(6x – 3) = (6x – 4)4x – 2 = 3x – 2

What value of x is in the solution set of 2x – 3 > 11 – 5x?

Solve the inequality.2(4x – 3) ≥ –3(3x) + 5x?

What is the slope of a line that is perpendicular to the line y = 8x + 5?

Lily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. Her work is shown below.4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 113x – 4 = 3x + 4

What is the solution to the linear equation?6k + 10.5 = 3k + 12

Samantha swam upstream for some distance in one hour. She then swam downstream the same river for the same distance in only 12 minutes. If the river flows at 4 mph, how fast can Samantha swim in still water?

What is the value of n in the equation ?

Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to the line 4x – 3y = –8 and passes through the point (3, –2).Alejandro made his first error in which step?

The area, a, of an ellipse can be determined using the formula a = πxy, where x and y are half the lengths of the largest and smallest diameters of the ellipse.