Quadratic Equations

FOIL

5. The expression (4c − 3d)(3c + d) is equivalent to:

Equivalent expressions

FOIL method

2021 April(Z04) Math Question 5

Which of the following expressions is equivalent to (3x − 9)²?

2025 October(J08) Math Question 7

2009 June(67C) Math Question 9

2011 June(69F) Math Question 10

11. Which of the following expressions is equivalent to (3x + 6)(2x — 1) ?

2015 June(73C) Math Question 11

2023 September(G01) Math Question 12

If (x + k)² = x² + 88x + k², then k = ?

2023 April(F11) Math Question 14

2010 December(69A) Math Question 17

Let (3x − 1)(2x − 5) = ax² + bx + c. What is the value of a + b + c?

35 February(Z14) Math Question 20

2010 December(69A) Math Question 21

2009 April(66F) Math Question 23

2011 April(67F) Math Question 24

27. When (3x − 2)4 is expanded and the like terms are combined, what is the coefficient of the x4 term?

Expand a binomial to the fourth degree

2021 April(D05) Math Question 27

The expression (x + by)⁵ will be expanded and like terms will be combined. The resulting terms will be arranged in descending powers of x. After these steps are done, the 2nd term will be 8x⁴y. What will be the total number of terms?

2025 October(J08) Math Question 28

30. Which of the following expressions is equivalent to (2x -3)(—x — 7) ?

2014 April(71H) Math Question 30

2010 June(68C) Math Question 33

Which of the following expressions is equivalent to (y + 8)³?

2024 April(Z13) Math Question 34

2019 December(C03) Math Question 37

2020 July(C01) Math Question 39

2013 December(71E) Math Question 44

2018 December(B05) Math Question 47

2010 June(68C) Math Question 53

56. One of the following equations is that of a parabola
with x-intercepts −5 and _3_ in the standard (x,y) 4
coordinate plane. Which equation?

2021 June(D06) Math Question 56

59. When (x+1)4 is expanded and the like terms are combined, what is the coefficient of the x2term?

FOILQuadratic EquationsACT math questions

2021 April(Z04) Math Question 5

2025 October(J08) Math Question 7