Saber College Compute the Values Algebra Questions

1. Evaluate the given expression for x = 5 and y = 2.2
2
6x + 3xy + 7y
The answer is
2.
.
5
(F − 32) expresses the relationship between Fahrenheit​temperature, F, and Celsius​temperature, C. Use
9
the formula to convert 50°F to its equivalent temperature on the Celsius scale.
The formula C =
50°F ​=
°C
3. Simplify the given algebraic expression.
7(2y − 3) + 4(4y + 1)
7(2y − 3) + 4(4y + 1) ​=
​(Simplify your​answer.)
4. Simplify the given algebraic expression.
5(8y − 5) − (3y + 7)
5(8y − 5) − (3y + 7) =
5. When five times a number is decreased by 3​, the result is 17. What is the​number?
The number is
.
6. When a number is decreased by 20% of​itself, the result is 120. What is the​number?
The number is
.
7. One number exceeds another by 5. The sum of the numbers is 71. What are the​numbers?
The numbers are
. ​(Use a comma to separate​answers.)
Average Yearly Earnings, by Job
8. The average yearly salary of a lawyer is ​$27 thousand less
than twice that of an architect.​Combined, an architect and a
lawyer earn ​$213 thousand. Find the average yearly salary of
an architect and a lawyer.
140
120
100
80
60
40
20
0
Fast-Food Construction Architect
Worker
Worker
Job
The average yearly salary of an architect is ​$
The average yearly salary of a lawyer is ​$
thousand.
thousand.
Lawyer
9. Solve the quadratic equation by factoring.
2
x − x − 42 = 0
The solution set is
.
​(Simplify your answer. Use a comma to separate answers as​needed.)
10. Solve the equation using the quadratic formula.
2
x + 11x + 3 = 0
The solution set is
.
​(Simplify your​answer, including any radicals. Use integers or fractions for any numbers in the expression. Use a comma to
separate answers as​needed.)