Quadratics & Polynomials
ACT · Flashcards · Application
ACT · FLASHCARDS
Card 1
of 51
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What are the roots of
x
2
−
9
x^2 - 9
x
2
−
9
?
QUESTION
Factor
x
2
−
1
x^2 - 1
x
2
−
1
.
QUESTION
Factor
4
x
2
−
9
4x^2 - 9
4
x
2
−
9
. What is the expression?
Tap to flip before you grade
ANSWER
(
2
x
−
3
)
(
2
x
+
3
)
(2x - 3)(2x + 3)
(
2
x
−
3
)
(
2
x
+
3
)
. Difference of squares:
(
2
x
)
2
−
3
2
(2x)^2 - 3^2
(
2
x
)
2
−
3
2
.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card