ACT has released a new version of the 2021-2022 Preparing for the ACT Test Form 2176CPRE. This is a new test and is identical to the 2021 April ACT Form Z04. The test can be downloaded from this link: Preparing for the ACT 2021-2022 and my video explanations are at this link: Video Playlist 2021-2022 Preparing for the ACT test.
Factors of an algebraic expression: ACT Math Practice Question
Try this ACT math practice question that tests your understanding of factors of an algebraic expression.
What is the value of $a$ if $x+3$ is a factor of $6x^3+17x^2-ax-3$?
- $\quad -4$
- $\quad -2$
- $\quad 0$
- $\quad 2$
- $\quad 4$
Units digit of a large number: ACT Math Practice Question
Try this ACT math practice question that tests your ability to recognize a pattern in units digits of large powers of an integer.
The units digit(the digit in the one’s place of a number) of $7^{77}$ is $7$. What is the units digit of $7^{80}$?
- $\quad 0$
- $\quad 1$
- $\quad 3$
- $\quad 7$
- $\quad 9$
Sequences with pattern: ACT Math Practice Question
Try this ACT math practice question that tests your ability to recognize a pattern in sequence questions.
In the sequence $s_1$, $s_2$, $s_3$, $\ldots$, the $n$th term of the sequence is given by $s_{n}=\dfrac{n}{n+1}$ for all positive integers $n$. For example, when $n=1$, $s_1 = \dfrac{1}{2}$. What is the product of the first $100$ terms of this sequence?
- $\quad \displaystyle \frac{1}{100}$
- $\quad \displaystyle \frac{1}{101}$
- $\quad \displaystyle \frac{99}{100}$
- $\quad \displaystyle \frac{100}{101}$
- $\quad \displaystyle \frac{101}{100}$
Internal angles of an octagon: ACT Math Practice Question
Try this ACT math practice question on the internal angles of an octagon.
In a regular octagon, all $8$ interior angles are congruent. What is the measure of each interior angle of a regular octagon?
- $\quad 22.5^{\circ}$
- $\quad 45^{\circ}$
- $\quad 120^{\circ}$
- $\quad 135^{\circ}$
- $\quad 150^{\circ}$
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