Algebra

Practice Questions

PSAT Math › Algebra

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1

What is the range of the function y = _x_2 + 2?

2

x is 75% of y, which is 8 times the amount of 150% of z. What is x in terms of z?

3

Give the coefficient of $x^{2}$ in the product

$\left (3x- 7 \right ) \left ( 4x+3\right )\left ( 2x-7\right )$ .

4

Three consecutive even numbers add to 42. What is the middle number?

5

$\frac{55^{10}}{121^6} \cdot \frac{11^8}{5^{8}} = ?$

6

Give the coefficient of $x^{2}$ in the product

$\left ( x+ 0.4\right ) (x - 0.2) (3x-0.7)$ .

7

Which of the following is a root of the function $f(x)=2x^2-7x-4$ ?

8

Give the coefficient of $x^{2}$ in the product

$\left ( x+ 0.4\right ) (x - 0.2) (3x-0.7)$ .

9

Simplify:

$\frac{8x^3y^2z^2}{4xy^4z^3}$

10

If 5 + x is 5 more than 5,what is the value of 2_x_?

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