math 1280 all chapters Exam | Verified Exam Questions and Answers |
Latest Updated Study Material 2026
Question:
adding polynomials: (-7x^5+14-2x) + (10x^4+7x+5x^5
Answer:
-2x^5 +
10x ^4 + 5x + 14
Question:
graphing inequalities: y?x^2-6x+13
Answer:
check with desmos
Question:
what is the y-intercept for the line x+2y=8
Answer:
4
Question:
?125a + ?5a - ?9b
Answer:
6?5a - 3?b
Question:
adding polynomials: (y^3 - 7x^4 y ^4 ) + (-10x^4 y^3 + 6y^3 + 4x ^4 y^ 4 ) - (x^ 4 y ^3 + 6x^
4 y^ 4 )
Answer:
-9x^4 y^4 - 11x^4 y^3 + 7y^3
Question:
1/2x + 1/3y = -4; 1/5x + 1/5y = -2 (solve using elimination)
Answer:
(-4,-
6)
, Question:
simplify (?6 - 4)^2
Answer:
-8?6 + 22
Question:
simplify in standard form then classify using degree and # of terms: (7x^2 + 3)(4x^2 - 2x - 1)
Answer:
28x^4 - 14x^3 + 5x^2 -6x -3 (quartic polynomial with 5 terms)
Question:
solve 2(x+7) - 4 = 5(x+2) -3x
Answer:
all real numbers
Question:
Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point
and four-point questions on the test. How many of each type of question are on the test? write a
system of equations and solve
Answer:
30 two point, 10 four point
Question:
a rate of change must be positive, true or false?
Answer:
false, a rate of
change only has to be consistent
Question:
a right triangle has the angles ABC, where angle C is right. The length of AB is 7, and angle B is
42°, find the value of BC and AC (round to the nearest hundredth) - CORRECT
graph the equation using the intercepts method: 8x - 10y= 40
Answer:
check with people around you (im so sorry i cant put photos in)
Latest Updated Study Material 2026
Question:
adding polynomials: (-7x^5+14-2x) + (10x^4+7x+5x^5
Answer:
-2x^5 +
10x ^4 + 5x + 14
Question:
graphing inequalities: y?x^2-6x+13
Answer:
check with desmos
Question:
what is the y-intercept for the line x+2y=8
Answer:
4
Question:
?125a + ?5a - ?9b
Answer:
6?5a - 3?b
Question:
adding polynomials: (y^3 - 7x^4 y ^4 ) + (-10x^4 y^3 + 6y^3 + 4x ^4 y^ 4 ) - (x^ 4 y ^3 + 6x^
4 y^ 4 )
Answer:
-9x^4 y^4 - 11x^4 y^3 + 7y^3
Question:
1/2x + 1/3y = -4; 1/5x + 1/5y = -2 (solve using elimination)
Answer:
(-4,-
6)
, Question:
simplify (?6 - 4)^2
Answer:
-8?6 + 22
Question:
simplify in standard form then classify using degree and # of terms: (7x^2 + 3)(4x^2 - 2x - 1)
Answer:
28x^4 - 14x^3 + 5x^2 -6x -3 (quartic polynomial with 5 terms)
Question:
solve 2(x+7) - 4 = 5(x+2) -3x
Answer:
all real numbers
Question:
Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point
and four-point questions on the test. How many of each type of question are on the test? write a
system of equations and solve
Answer:
30 two point, 10 four point
Question:
a rate of change must be positive, true or false?
Answer:
false, a rate of
change only has to be consistent
Question:
a right triangle has the angles ABC, where angle C is right. The length of AB is 7, and angle B is
42°, find the value of BC and AC (round to the nearest hundredth) - CORRECT
graph the equation using the intercepts method: 8x - 10y= 40
Answer:
check with people around you (im so sorry i cant put photos in)
